What should you wear on New Year's Eve?
Dress for the plan: a velvet or knit dress for a night in, a satin midi for dinner, a sequin or metallic mini for a club, a cocktail dress for a hotel party and a gown for a black tie gala.
Gold, silver, black and jewel tones are the classic colors, and sequins, metallics and velvet are the classic fabrics. Choose shoes you can stand in past midnight, and a coat for the countdown and the trip home.
Underneath, a bra for the neckline, smooth skin-tone underwear and tights or smoothing shorts keep you comfortable and warm all night.
New Year's Eve is the one night of the year when almost everyone dresses up, and when almost anything sparkly feels right. It is also a long night: dinner, a party, a countdown that may be outdoors, and a late trip home in the cold. The right dress looks festive at midnight and still feels comfortable at one in the morning.
This guide covers what to wear for each kind of New Year's Eve plan, the classic fabrics and colors, color traditions from around the world, what to wear underneath, how to stay warm, and what shoes and coats get you through the night.
- Match the dress to the plan, from a night in to black tie.
- Sequins, metallics and velvet are the classic fabrics.
- Gold, silver and black are the classic colors.
- Plan for the cold: tights, long sleeves and a coat you can check.
- Choose shoes for 1 am, not just for midnight photos.
- Keep the bag small and the coat check ticket safe.
New Year's Eve Dresses by Plan
Let the night set the dress.
| Plan | Dress | Shoes |
|---|---|---|
| Night at home | Velvet slip, knit dress or satin midi | Slippers, socks or flats |
| House party | Velvet or sequin mini with tights | Ankle boots or low heels |
| Dinner | Satin or velvet midi, little black dress | Heels or elegant flats |
| Bar or club | Sequin, metallic or velvet mini | Heels or boots you can dance in |
| Hotel or restaurant party | Cocktail dress in satin or sequins | Heeled sandals or pumps |
| Black tie gala | Floor-length gown | Elegant heels |
| Outdoor countdown | Long-sleeve velvet or knit with tights | Boots |
If the night has more than one stop, dress for the dressiest part and choose shoes for the longest part. A long-sleeve sequin or velvet midi with comfortable heels covers almost every dinner-and-party New Year's Eve. Our holiday party dress guide covers office and family parties earlier in the season.
New Year's Eve Dress Styles
Ten styles made for the night.

You do not need a new dress to feel festive. A dress you already love, with new sparkly earrings, metallic shoes or a faux fur jacket, can look completely different on the night.
New Year's Eve Fabrics
Sparkle, shine and warmth.
| Fabric | Look | Notes |
|---|---|---|
| Sequins | Maximum sparkle | Choose a stretch base and a soft lining |
| Velvet | Rich and warm | Best for cold nights and dinners |
| Metallic satin or lame | Liquid shine | Shows lines; plan smooth layers |
| Beading | Glamorous | Heavy; check the weight at the shoulders |
| Feathers | Playful movement | Spot-clean only |
| Lurex knit | Subtle sparkle | Comfortable and warm |
| Crepe | Matte and polished | Elegant with metallic accessories |
| Tulle or chiffon | Light and airy | Needs a lining; better indoors |
Warmth matters on this night. Velvet, lurex knits and long-sleeve sequins keep you warmer than thin satin or chiffon, which helps if the countdown is outside or the lines are long.
New Year's Eve Colors
Classic and personal.
Metallics are the easiest way to look festive, but a black or jewel-tone dress with one sparkly accessory works just as well. If you want a reason to choose a color, the traditions below are a fun place to start.
Mini, Midi or Gown
Length and the night ahead.
A mini is the classic party length and easiest to dance in, but it is the coldest outdoors, so plan tights and a long coat. A midi works for dinner and parties and covers more when you sit. A gown suits black tie events and formal hotel parties. Our dress lengths guide explains each length.
What to Wear Under a New Year's Eve Dress
Comfort for a long, cold night.

Party dresses are often strapless, backless, fitted, sequined or made of thin satin, so plan the layers underneath when you choose the dress. On New Year's Eve, those layers also need to keep you warm.
| Dress | Bra | Below |
|---|---|---|
| Strapless or off-the-shoulder | Strapless bra with silicone grip | Seamless brief and tights |
| Open back | Adhesive bra | Seamless thong |
| Deep V or plunge | Plunge bra or tape | Seamless thong |
| Sequins | Smooth bra for the neckline | Smoothing shorts or a slip if unlined |
| Metallic satin | Nipple covers or adhesive bra | Laser-cut thong |
| Velvet or knit | Smooth T-shirt or wireless bra | Tights or thermal shorts |
If you are unsure of your size, Brasize.ai can give you a starting point. Our guides to the strapless bra, adhesive bras and nipple covers explain each option.
Tights do double duty: they keep your legs warm and stop thighs from chafing. Light smoothing shorts do the same under bare legs and keep a short hem in place. Our guides to hiding panty lines and slips and shapewear cover more options.
Strapless Bras, Hosiery and Shapewear
Smooth, secure and warm until the new year.
Strapless BrasHosieryShapewearThe Night, Hour by Hour
Plan the outfit for the whole night.

A New Year's Eve outfit has to work for six or seven hours. Sit in it for dinner, stand and dance in it, take it outside for the countdown and walk home in it. Test it at home: sit, raise your arms, walk up stairs and stand for twenty minutes in the shoes. Most problems, such as a hem that rides up or heels that hurt, are easy to fix before the night and hard to fix at midnight.
Shoes for New Year's Eve
For midnight and after.
Wear new shoes around the house for a few evenings before the night, put blister plasters on before you leave and pack foldable flats. Public transport and taxis are busy after midnight, so you may walk more than you expect.
New Year's Eve Color Traditions
Dressing for luck around the world.
In many places, what people wear on New Year's Eve carries meaning. In Brazil, many people dress in white to welcome the new year, often on the beach. In several Latin American countries, people choose underwear in a color for the year ahead: yellow for luck and prosperity, red for love. Gold and silver are popular almost everywhere because they suggest celebration and good fortune.
You do not need to follow a tradition, but it is a fun way to choose a color, especially if you cannot decide. A hidden layer in a lucky color works under any dress, as long as it is smooth and does not show through.
New Year's Eve at Home
Comfortable but special.
A night in is still a celebration. A velvet slip dress, a soft knit dress or a satin midi feels special without being stiff. Add one festive detail, such as sparkly earrings, a metallic belt or a sequin cardigan, and wear socks or soft slippers if you are hosting. If friends are coming over, a dress with a little stretch makes cooking, serving and sitting on the floor easier.
Hosting means moving between rooms and the kitchen, so avoid long, delicate hems and trailing sleeves. A dark color or a print hides spills. Our sweater dress guide has cozy options.
New Year's Eve Dinner
Polished for the table.
At dinner, people see you from the waist up, so the neckline, sleeves and earrings matter most. A satin or velvet midi, a little black dress or a wrap dress with heels or elegant flats is reliable. Choose a fabric that does not crease when you sit for two or three hours, and a waist that is comfortable after a tasting menu.
If dinner moves on to a party, choose a midi you can dance in and shoes you can walk in. Our little black dress guide has more ways to dress up a simple dress.
New Year's Eve at a Club or Bar
Dressed for the dance floor.
Clubs and bars are crowded, hot and loud on New Year's Eve, and lines outside can be long and cold. A sequin, metallic or velvet mini with heels or boots you can dance in is the classic choice. Check the dress code in advance, because many venues are stricter than usual on this night. Our club dresses guide covers fabrics, shoes and what to carry.
Black Tie and Gala Events
Formal and festive.
A black tie New Year's Eve calls for a floor-length gown in satin, velvet, sequins or crepe. Black tie optional allows an elegant cocktail dress or a dressy midi. Jewel tones, metallics and black are all classic. Add elegant heels, a small clutch and statement earrings, and choose a wrap or evening coat for arrival and departure. Our formal dresses guide explains each dress code.
Fireworks and Outdoor Countdowns
Warm first, festive second.
If the plan includes fireworks, a street party or a rooftop countdown, you may be outside for an hour or more in the cold. Velvet, knit or a long-sleeve sequin dress with opaque tights and heeled or flat boots is a practical choice. Wear a long coat that covers most of the dress, and bring gloves and a scarf. A thermal layer under the dress adds warmth without showing.
Crowds mean standing for a long time, so choose shoes for comfort and a crossbody bag that stays closed. Our guide to tights explains deniers for warmth.
New Year's Eve Somewhere Warm
Beach and resort celebrations.
If you are spending New Year's Eve on a beach or in a warm city, choose a white or metallic slip dress, a sequin mini or a light satin maxi with flat sandals or wedges. Sand and heels do not mix, and evening sea breezes can be cool, so bring a light wrap. White is a natural choice for a beach celebration and fits the tradition in places such as Brazil. Our white dress guide covers what to wear under white.
Wearing Sequins Well
Sparkle without discomfort.
Sequins are the signature New Year's Eve fabric, and they are easy to wear with a few precautions. Choose a dress with a soft lining, so the sequins do not scratch your arms and sides, and with sequins sewn on a stretch base, so it moves with you. Keep jewelry small and shoes simple, because the dress already does the work. Sequins can snag fine tights and knit coats, so check how your layers sit together. Our sequin dress guide covers fabrics, fit and care in detail.
Velvet for New Year's Eve
Rich, warm and less sparkly.
If sequins are not your style, velvet is the other classic New Year's Eve fabric. It looks rich in low light, keeps you warm and feels soft. Black, emerald, burgundy and sapphire velvet suit the season. A velvet mini with sheer tights and heeled boots works for a party; a velvet midi or gown suits dinner and black tie events. Our velvet dress guide explains the different types of velvet.
Staying Warm Past Midnight
The layers that make a short dress practical.
Most New Year's Eve dresses are made for warm rooms, but the night often includes cold lines, outdoor countdowns and a long trip home. Long sleeves, velvet and knit are the warmest dress fabrics. Sheer or opaque tights add a surprising amount of warmth, and a thin thermal camisole or shorts under the dress add more without showing.
A long wool coat covers most of a short dress and is the warmest layer to wear on the way. A faux fur jacket looks festive but covers less. Bring a coat check ticket somewhere safe, and keep a pair of gloves in your coat pocket for the walk home.
Coats and Jackets for New Year's Eve
Finish the outfit.
Choose a coat you are happy to check, because carrying it all night is tiring. If you are moving between venues, a jacket that looks good with the dress matters more than one that only keeps you warm.
What to Carry
Small bag, long night.
New Year's Eve is a long night, often with crowds and late travel. A small crossbody bag or wristlet keeps your phone, card, ID, keys, lipstick and coat check ticket on your body. Add a portable charger, fashion tape, blister plasters and a hair tie. If you plan to switch shoes, foldable flats fit in many medium bags. A clutch looks elegant but is easy to put down and forget in a crowded room.
New Year's Eve Photos
Flash, glitter and midnight.
Midnight photos are usually taken on phones with flash, often outdoors or under colored lights. Sequins and metallics glow in flash; matte black and velvet look rich but can lose detail in low light. Flash also shows what is under thin fabric, so take a quick flash photo at home. Confetti and glitter stick to velvet and satin, so a lint roller in your bag is useful.
Makeup and Glitter With a Party Dress
Protect the neckline.
Glitter, shimmer and bold makeup are part of the fun on New Year's Eve, but they can mark a dress, especially satin, velvet and pale colors. Put the dress on before applying body shimmer, and pull it on over your head with a thin scarf over your face. Let self-tan develop and rinse fully the day before. Velvet attracts glitter and lint, so keep loose glitter away from it.
New Year's Eve Dresses for Every Figure
Fit first, then sparkle.
Sequins on a stretch base and ruched velvet are forgiving on every figure. Choose a dress that fits at its narrowest point, usually the waist or ribcage, and that lets you sit, dance and breathe.
Plus-Size New Year's Eve Dresses
Comfort for a long night.
Every New Year's Eve style comes in extended sizes. Sequin wrap dresses, velvet midis, satin slips cut on the bias and long-sleeve sequin minis all work well. A supportive strapless or longline bra, light smoothing shorts that prevent chafing and shoes with a block heel make a long night easier. Our guide to plus-size shapewear covers the lightest smoothing options.
New Year's Eve Dresses at Any Age
Wear what makes you feel festive.
There is no age rule for sparkle. What usually changes is length, sleeves and fabric weight: a long-sleeve sequin midi, a velvet wrap dress or an elegant satin column dress gives the same festive feeling with more coverage and comfort. Fit and fabric quality matter more than trends, and a dress that fits beautifully always looks better in midnight photos.
Rewearing a New Year's Eve Dress
Not just for one night.
A sequin or velvet dress can return many times: to holiday parties, birthdays, weddings and nights out. Black, gold, silver and jewel tones are the easiest to rewear. Change the shoes and jacket and it looks new. Our guides to the birthday dress and party dress have ideas for the next occasion.
Spending on a New Year's Eve Dress
Where it is worth it.
If you will wear the dress more than once, spend on lining, fit and fabric: a lined sequin dress that does not scratch, or a heavy velvet that drapes well. Save on accessories, which can be borrowed. Order early, because December shipping is slow and popular sizes sell out, and leave time to exchange the size and test the dress at home.
Getting Ready on New Year's Eve
A simple order for a busy night.
Lay out the whole outfit the day before: dress, underwear, bra, tights, shoes, coat and bag. On the night, do skin, hair and makeup first, then underwear and smoothing layers, then the dress. Add jewelry and shoes last, and check the outfit in a mirror and in a flash photo. Pack the bag before you dress, so nothing is forgotten in the rush.
Jumpsuits and Sets
Festive alternatives to a dress.
A sequin, velvet or satin jumpsuit, or a matching sequin skirt and top, is just as festive as a dress and easy to dance in. The same rules apply: one focal point, a bra for the neckline and shoes you can last in. Jumpsuits take longer in a crowded bathroom, which is worth remembering on the busiest night of the year.
After the Party
Look after the dress.
Hang the dress to air as soon as you get home, and check it for marks in daylight the next day. Remove confetti and glitter with a lint roller or by gently shaking the dress outdoors. Sequin dresses should be hand washed or spot cleaned and dried flat; velvet should be steamed, not ironed, and usually dry cleaned. Store sequin dresses folded in tissue rather than on a hanger.
New Year's Eve Dress Codes, Decoded
Read the invitation.
| Dress code | What it means | Dress |
|---|---|---|
| Festive or party attire | Dressy with sparkle | Sequins, velvet or metallics, any length |
| Cocktail | Polished, knee to midi | A cocktail dress or dressy midi |
| Black tie optional | Formal, gown not required | An elegant midi, cocktail dress or gown |
| Black tie | Formal evening | A floor-length gown |
| Glam or dress to impress | Go big | Sequins, feathers, statement pieces |
| Casual | Relaxed | A velvet or knit dress, or a sparkly top |
If the invitation does not mention a dress code, ask the host or check the venue. Dressing a little above the crowd on New Year's Eve is rarely a problem, because most guests make an effort. Our guides to semi-formal dresses and the cocktail dress explain the middle codes in detail.
Themed New Year's Eve Parties
When the invitation sets the look.
1920s or Gatsby: a drop-waist beaded or fringe dress, a headband and T-strap heels. All white: white or ivory satin, sequins or crepe, with skin-tone underwear. All black: black velvet, sequins or satin with metallic accessories. Masquerade: a dramatic gown or cocktail dress with a mask that matches the dress or the jewelry. Disco: metallics, sequins and platform shoes.
For themed parties, the dress can do most of the work, so keep accessories in the same mood. Fringe and beading are heavy, so check how the dress hangs and moves before the night.
New Year's Eve Weddings
Formal and festive at once.
New Year's Eve weddings are often evening events with a dressy code. Follow the invitation, avoid white and ivory, and choose a velvet, satin or sequin dress in a jewel tone, metallic or black. A long-sleeve gown or midi with a wrap suits a winter ceremony. Plan for a long evening that often runs past midnight, with shoes and layers to match. Our wedding guest dress guide covers colors and codes.
New Year's Eve Date Night
Dinner, drinks and the countdown.
For a New Year's Eve date, choose a dress you feel relaxed in, because you will be wearing it for many hours. A velvet wrap dress, a satin slip with a blazer or a sequin midi works for dinner and a bar. Add one polished element, such as heeled sandals, gold earrings or a red lip. Our slip dress guide covers how to layer satin for a cold night.
Family New Year's Eve Parties
Festive and practical.
Family parties with children often start early and involve more sitting, playing and serving than dancing. A velvet or knit dress with tights and flats, or a sparkly top with a satin skirt, looks festive and is easy to move in. Choose a washable fabric if small children and sticky hands are part of the evening, and a length you can sit on the floor in.
Long-Sleeve New Year's Eve Dresses
Warm and still sparkly.
Long sleeves are one of the most practical choices for New Year's Eve, especially if the countdown is outside. A long-sleeve sequin mini, a velvet wrap dress or a lurex knit dress keeps your arms warm and still feels festive. With long sleeves, a shorter hem or an open back balances the look. Our mini dress guide has more ideas for short lengths.
Making a Simple Dress Festive
Sparkle through accessories.
You do not need a sequin dress to feel festive. Start with a black, navy or jewel-tone dress in velvet, satin or crepe and add one or two sparkly pieces: metallic heels, crystal earrings, a sequin bag, a glitter hair clip or a faux fur jacket. Sheer tights with a subtle shimmer or a back seam add interest too. This approach also makes the dress easier to rewear in January.
Comfort for a Long Night
Small choices that help.
A New Year's Eve outfit is often worn for six hours or more. Stretch in the fabric, a lining that does not scratch, a waist you can eat in and a bra that stays put make the biggest difference. Smoothing shorts prevent chafing, blister plasters prevent sore feet, and a hair tie and fashion tape fix small problems. Eat before you go and keep water nearby; you will enjoy midnight much more.
Jewelry and Hair
Finish the look.
Statement earrings suit strapless, one-shoulder and high-neck dresses. A fine necklace suits a V-neck or slip dress. With a heavily embellished dress, keep jewelry small so the dress leads. Hair worn up shows off earrings and keeps you cool in a crowded room; sleek, low styles survive a long night better than loose curls. A glitter clip or a velvet bow adds a festive touch without more jewelry.
Petite and Tall
Proportion at a party.
If you are petite, minis and fitted short dresses keep the look balanced, and metallic or nude heels lengthen the leg. Gowns and long midis may need hemming. If you are tall, long-sleeve minis, high-slit midis and floor-length gowns look striking, and tall ranges make sure a mini does not end up shorter than planned.
Pregnant on New Year's Eve
Festive and comfortable.
Stretch velvet, sequin wrap dresses and empire-waist satin dresses give room for a bump and still look festive. Choose shoes with a low or block heel, a soft supportive bra that suits the neckline and tights with a maternity waistband if it is cold. A long coat that closes over the bump keeps you warm at the countdown. Our guide to maternity and nursing bras explains the options underneath.
New Year's Day Brunch
The morning after.
New Year's Day often brings a relaxed brunch or family lunch. A knit dress, a sweater dress or a satin skirt with a soft sweater with flat boots or loafers is festive but comfortable. Some people rewear the sparkly piece from the night before in a casual way, such as a sequin skirt with a chunky knit. Our sweater dress guide has cozy ideas.
Quick Fixes at Midnight
Small problems, simple solutions.
Buying a New Year's Eve Dress Online
Order early in December.
December is the busiest month for party dresses, and shipping and exchanges take longer. Order in early December, check the fabric content, lining and length, and read reviews that mention scratchy sequins, sheerness or sizing. When it arrives, try it on with the underwear, tights and shoes you plan to wear, and take a flash photo before removing the tags.
Wearing a Lucky Color Underneath
Tradition without visible lines.
If you want to follow the tradition of yellow or red underwear for the new year, choose a seamless, laser-cut style so it does not show as a line or texture through the dress. Bright colors can show through thin, pale fabrics such as white satin or champagne sequins, so save a bright lucky layer for a dark, lined or heavier dress, or choose a soft pastel version of the color. Our guide to hiding panty lines covers which styles disappear best.
Coordinating With Friends
Group photos at midnight.
Many groups plan a theme or color for New Year's Eve: all metallic, all black with one gold accessory, or each person in a different jewel tone. Agree on a color, not a style, so everyone can wear a dress that suits them. Check how the outfits look together in a quick flash photo before you leave, because group shots at midnight are usually taken in a rush.
Traveling for New Year's Eve
Packing a party dress.
If you are celebrating in another city, pack the dress folded in tissue inside a garment bag or rolled in a soft bag, and hang it as soon as you arrive. Sequins and velvet travel better than thin satin, which creases. Bring a small travel steamer for satin and a lint roller for velvet. Pack shoes that work for the city as well as the party, because you may walk more than you expect after midnight.
Renting or Borrowing a Dress
Festive without a new purchase.
New Year's Eve is one of the most popular nights for renting or borrowing a party dress. It lets you wear a gown or a heavily embellished dress for one night without buying it. Order a rental early, check the size and length on arrival, and plan underneath as carefully as for your own dress. A friend's sequin dress styled with your own shoes and jewelry can feel completely new.
A Second Outfit for After Midnight
When the night moves on.
Some people bring a second, more comfortable layer for after midnight, especially if the night moves from a formal dinner to a house party. A soft cardigan, flat boots and tights can turn a gown or cocktail dress into something you can relax in. If you are staying at a hotel, leave comfortable clothes in the room so you can change before heading out again or before the trip home.
Sitting at the Table in a Party Dress
Comfort during a long dinner.
A long New Year's Eve dinner means sitting for hours in a dress made for standing. Check how the dress feels when you sit: sequins can press into the backs of the legs, corset bodices can dig in, and short hems ride up. A soft lining, a slightly looser fit at the waist and smoothing shorts under a short dress all help. A napkin across your lap protects satin and velvet from spills.
Feathers and Fringe
Movement at midnight.
Feather trims and fringe move with you, which makes them a fun choice for a night of dancing. Feathers at the hem or cuffs look playful on a black or metallic mini; fringe suits 1920s themes and disco parties. Both shed a little, so give the dress a gentle shake outdoors before you put it on, and keep it away from lip gloss and drinks. Most feather and fringe trims are spot-clean only, so check the care label before the night.
Signs of a Well-Made Party Dress
Check before you buy.
Turn the dress inside out. Look for a soft lining under sequins and beading, secure stitching on embellishments, a smooth zip that does not catch, and straps and seams strong enough for the weight of the fabric. Loose sequins in the bag, glue instead of stitching, or a lining shorter than the dress are warning signs. Heavier beaded dresses need wider straps or a structured bodice so they do not pull at the shoulders. A well-made dress survives a night of dancing and many more celebrations.
Choosing One Dress for the Whole Season
Holiday parties to New Year's Eve.
If you want one dress for every December event, choose a black or jewel-tone velvet or long-sleeve sequin midi. It works for an office party with a blazer, a family dinner with flats, a friend's party with boots and New Year's Eve with heels and statement earrings. Changing the layer, shoes and jewelry is enough to make it look new each time.
Common New Year's Eve Dress Mistakes
Easy to avoid.
New Year's Eve Checklist
Before you leave.
- Plan: does the dress suit every stop of the night?
- Underneath: the right bra, smooth underwear and tights?
- Warmth: a coat that covers the dress?
- Shoes: broken in, with flats in the bag?
- Bag: phone, charger, card, ID and keys?
- Way home: planned before midnight?
What This Means for You
The best New Year's Eve dress suits the plan, sparkles at midnight and still feels comfortable hours later. Choose a style for the venue, a fabric and color that feel festive, and plan the bra, tights and coat so the cold and the long night do not get in the way.
Sequins, metallics and velvet are the classics, and gold, silver and black never miss. Test the outfit at home, choose shoes for one in the morning, and keep your bag small.
For more party ideas, see our guides to the holiday party dress, the party dress and the velvet dress.
Holiday Party, Party and Velvet Dresses
More ways to dress for the season.
Holiday Party DressParty DressVelvet DressFrequently Asked Questions
What should I wear on New Year's Eve?
What color should I wear on New Year's Eve?
Are sequins too much for New Year's Eve?
What should I wear to a New Year's Eve house party?
What should I wear to a New Year's Eve dinner?
What should I wear to a New Year's Eve gala?
How do I stay warm on New Year's Eve in a dress?
What shoes should I wear on New Year's Eve?
What should I wear under a sequin dress?
Can I wear black on New Year's Eve?
Can I wear white on New Year's Eve?
What color underwear do people wear on New Year's Eve for luck?
What should I wear to a New Year's Eve party at a club?
What is a good New Year's Eve dress for over 40?
Should I wear tights with a New Year's Eve dress?
What jacket should I wear over a New Year's Eve dress?
Can I wear a jumpsuit on New Year's Eve?
What should I wear on New Year's Eve at home?
How do I keep a strapless dress up all night?
What should I wear to watch fireworks on New Year's Eve?
This guide covers New Year's Eve dress styles, colors and what to wear underneath, and is for general information. Dress codes and traditions vary, so check the invitation or venue, and try your outfit on before the night.