12 Ultimate Bachelorette Costume Ideas: From Sassy to Classy

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The wedding is fast approaching, but before the big day, it’s time to plan a bachelorette party to remember. Celebrate the bride-to-be’s last night of freedom in style by gathering the bride tribe and getting dressed up. But what will you wear? A bachelorette bash is the perfect excuse for a fun group outfit, so we’ve put together a few bachelorette costume ideas to kick things off.

Do You Need a Costume Theme for Your Bachelorette Party?

A costume theme isn’t mandatory, but it does provide people with focus when it comes to choosing their bachelorette party outfits. It also brings guests together and helps break the ice, giving them the chance to have a chat and giggle about their outfits on arrival.

You can go as extreme or as subtle as you like when it comes to bachelorette dress-up ideas. For my hen party (the U.K. equivalent of the U.S. Bachelorette bash), we opted for a 70s disco theme with the hens dressed to impress sporting flares, platforms, hot pants, and disco hair.

If that’s not your bag there are plenty of other bachelorette party themes, and if it all feels a bit too much you don’t even need a full-on theme per se. You might just like the idea of your guests turning up in bridal party costumes consisting of cowboy hats and boots, matching sashes, or wearing their best little black dresses and sparkly tiaras.

MODERN MOH TIP: Only consider dress-up themes the bride-to-be will approve of, e.g. if she hates the ocean, she might not appreciate jaunty striped sailor tops and nautical hats!

Bachelorette Dress-Up Ideas

Struggling for costume inspiration? If you’ve got a venue or destination in mind, it might help to fire your imagination. From a booze cruise to a slumber party, there are plenty of bachelorette party ideas. When you know where you’re going and what you’ll be doing you can come up with bachelorette costume ideas to suit. Don’t worry, we’ve come up with a few group outfit ideas to get you started…

Head to Outta Space

As themed bachelorette party ideas go, this one is out of this world. You might not be able to zoom to the moon, but you can organize an outta-space theme. From sexy space pirates to silver-clad astronauts, there are plenty of interstellar outfit ideas. If you prefer to go lower key how about getting everyone to wear a glow-in-the-dark T-shirt?  As the light fades the stars begin to glow, which means you don’t need to worry about losing your friends in a busy, dark bar!

Material Girl

The ultimate material girl, Madonna, knows a thing or two when it comes to the best way to express yourself. Taking inspiration from the Queen of Pop for your bachelorette costume ideas will undeniably get you into the groove.

Go old-school with Ra Ra skirts and lacy gloves, or flaunt it in a leotard or iconic conical bra. Set the scene with accessories, such as lacy gloves and rosary beads, and don’t forget a party microphone so you can all belt out your fave hits from your childhood.

Beach Babes / Pool Party Vibes

If you’re having a bash on the beach or at the pool the dress code is simple – sarongs, swimsuits, bikinis, flip-flops, and don’t forget the bride tribe towels for all the mermaids!

Make sure the bride stands out by asking her crew to wear a black bikini, while she dresses in a white one – add sunglasses and sun-hats for instant style!

1980s Decade Night

A 1980s theme provides a plethora of bachelorette costume ideas, full of fun and nostalgia. From shoulder pads to workout Lycra, shell suits, and neon, guests should be able to pick up a funky 1980s outfit easily.

And scrunchies are a definite must-have! The 70s or 90s also provide almost unlimited group outfit ideas if the 80s isn’t your jam.

Bride’s Favorite Movie or TV Show

Lights, camera, action! For this showbiz extravaganza, guests can glam it up with a red carpet gown to dazzle and delight, but this theme also lends itself well to creative costumes.

If you have a long yellow t-shirt and jeans and can stick googly eyes on a pair of goggles you might just get away with being a Minion! For something a little chicer go Catwoman style with a shiny black catsuit, ears, and tail. 

Color Night

If you prefer easy-peasy group costume ideas you can’t go wrong with a color theme. Is the bride a fan of pretty pink? Then get everyone to wear their preferred hue, be that a soft pastel pink or a bright and shocking fuchsia.

You can go for top to toe in a single color, e.g. if you choose red get everyone to wear a red dress or you can tone it down by suggesting guests have a splash of crimson on their attire.

Country & Western / Cowgirl Theme

Yee Haw! Get the bride-to-be and her besties to ride into the party wearing a personalized denim jacket, a pair of cowboy boots, and a cowboy hat to make sure you all stand out from the crowd for her last rodeo. Personalized costumes look very effective and can be kept as mementos afterward too. 

Barbie Theme Bachelorette

Your best friend has found her Ken, and you want to celebrate. But you don’t have to break the bank for a Barbie-inspired bachelorette look.

Think pink for DIY bachelorette outfits – grab a magenta mini dress, a pastel pink top, or pink heels and embrace your inner Barbie. After all, it’s a party and “Every night is girls’ night.”

Animal Prints

Want to hear the bachelorette’s roar? If you like the idea of animal print for costume inspiration you can get lively in leopard spots, look tempting in tempting tiger stripes, or, if you prefer, you can sizzle in slinky snakeskin.

Most of us have an animal print dress, top, skirt, scarf or bag squirreled away in our wardrobes (and if you don’t see if you can borrow something from a generous friend).

A Match Made in Heaven

Anyone for tennis? Pickleball? Sporty brides-to-be might prefer a bachelorette party on the go than a night on the town. Invest in tennis whites and preppy garb, along with a tennis tote bag to make sure you’re all match-ready.

Beyonce Renaissance

Shimmering metallics and sparkling sequins, when it comes to putting on a show Beyoncé isn’t one for understated fashion. With Renaissance as your dress-up theme, you can all go wild. How about a crystalized catsuit, a metallic bodysuit, or a dazzling Rhinestone halter?

Happily Ever After

If you decide to go Disney, you’re in for a treat. You’ll be spoiled for choice when it comes to bachelorette costume ideas. Trim up the room with Disney decorations to set the scene, grab some Minnie ears for fun, and pull on your Belle, Elsa, or Cinderella gowns for a magical tea party to go with your magical theme.

Frequently Asked Questions

We’ve given you a few bachelorette dress-up theme ideas to mull over, in the meantime check out our FAQs to make sure you’ve got everything covered.

Who picks the theme for the bachelorette party?

The theme should be picked by the Maid of Honor, with the help of the bridesmaids. The bride-to-be might want a say in it too!

What’s the best theme for a party?

The perfect theme will be one inspired by the bride’s tastes and will be something that she loves or enjoys. Try not to overcomplicate things – ensure guests can get involved by making sure the theme is doable and affordable. 

How do you come up with a party theme?

Again, think about the bride-to-be, what would she like? If you have a destination for your bach party in mind you can work the theme around this e.g. If you’re going to a spa hotel, go for matching robes, eye masks, and slippers all around. If you’re going to Vegas, dress to impress at the roulette wheel.

Sassy and Classy Bachelorette Costume Ideas for a Memorable Party

Whether you prefer a subtle theme or something bolder, getting dressed up in bachelorette costumes can be great fun before tying the knot. Gather together your nearest and dearest and get ready to party in true last-night-of-freedom style with one of our bachelorette costume ideas.

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