20 Group Halloween Costumes for Best Friends You Can Order Now

Planning Halloween with your best friends? Then you already know the costume is half the fun. The best group halloween costumes are easy to coordinate, instantly recognisable, and cute enough for party photos, Instagram posts, TikToks, and those chaotic bathroom mirror selfies that somehow become the best pictures of the night.
Whether your friend group is going for funny, spooky, glam, nostalgic, or completely unhinged, there are so many group Halloween costumes you can order online instead of trying to DIY everything the night before. From iconic movie characters to matching themed outfits, these ideas are perfect for best friends who want to turn up together and look like they actually planned it.
Why Group Halloween Costumes Are Perfect for Best Friends
A group costume makes Halloween feel more like an event. It gives everyone a role, makes photos easier, and helps your group stand out at parties. Plus, it takes the pressure off everyone trying to come up with a completely separate costume.
The trick is choosing a theme that works for your group size. Some ideas are perfect for trios, some work best for four or five friends, and others can easily be expanded for a bigger group.
1. The Sanderson Sisters
Perfect for a group of three, the Sanderson Sisters are a Halloween classic. Each friend gets a strong character look, and the whole costume feels witchy, nostalgic, and instantly recognisable.
Order: witch dresses, capes, wigs, spell book props, broomsticks.
Best for: spooky besties, Halloween parties, themed girls’ nights.
Shop Sanderson Sisters Costume on Amazon here

2. Barbie Group Costume
A Barbie group costume is one of the easiest ideas to make your own. Each friend can choose a different Barbie style, such as Cowgirl Barbie, Disco Barbie, Workout Barbie, President Barbie, or Beach Barbie.
Order: pink outfits, cowboy hats, sunglasses, roller skates, sparkly accessories.
Best for: glam groups, pink lovers, bachelorette Halloween parties.
Shop Barbie costume on Amazon here

3. Disney Princesses
Disney princess costumes work beautifully for larger groups because everyone can choose a different character. It is cute, colourful, and perfect if your group wants a magical theme without being scary.
Order: princess dresses, tiaras, gloves, themed wigs.
Best for: groups of 4 or more, cute Halloween parties, Disney fans.
4. Mean Girls
The Plastics will always be a brilliant best friend Halloween costume idea. Go for the iconic pink outfits, Regina’s tank top look, or the Santa talent show costumes if you want something extra funny.
Order: pink skirts, cardigans, “On Wednesdays We Wear Pink” tops, Santa outfits.
Best for: groups of 3 or 4, nostalgic besties, college Halloween parties.

5. Scooby-Doo Gang
Scooby-Doo is one of the best group Halloween costumes because every character has a recognisable outfit. You can dress as Daphne, Velma, Fred, Shaggy, Scooby, and even add a spooky villain if you have more friends.
Order: character costume sets, wigs, orange glasses, Scooby ears.
Best for: mixed friend groups, funny parties, nostalgic Halloween looks.
Shop Scooby doo costume on Amazon here

6. Mamma Mia Dancing Queens
If your friend group loves sparkle, flares, and singing at full volume, a Mamma Mia costume theme is perfect. Think Donna and the Dynamos with glittery jumpsuits, platform boots, and microphones.
Order: disco jumpsuits, platform boots, microphones, sequin accessories.
Best for: girls’ night, dance parties, musical theatre fans.
7. Witches Coven
A witches coven is simple, stylish, and easy to order. Everyone can wear black but add their own personality with hats, lace gloves, velvet dresses, capes, or gothic jewellery.
Order: witch hats, black dresses, capes, broomsticks, moon accessories.
Best for: easy group costumes, spooky photos, last-minute planning.
Shop Witch costume on Amazon here

8. Angels and Devils
This is a classic group Halloween costume that works for any number of friends. Half the group can be angels and half can be devils, or everyone can choose their side.
Order: angel wings, halos, devil horns, red dresses, white outfits.
Best for: groups of 4 or more, party photos, easy matching costumes.
Shop Angel costume on Amazon here
9. Spice Girls
Each friend gets a completely different vibe with this one, which makes it perfect for groups with different styles. Sporty, Baby, Scary, Ginger, and Posh are all instantly recognisable.
Order: leopard print, platform shoes, Union Jack dress, little black dress, tracksuit.
Best for: groups of five, 90s lovers, music fans.

10. Clueless
A Clueless costume is cute, fashionable, and easy to order. Yellow plaid for Cher, black and white plaid for Dionne, and preppy school outfits for the rest of the group.
Order: plaid skirt sets, knee-high socks, berets, mini handbags.
Best for: best friend duos, trios, preppy Halloween looks.
Shop Clueless costume on Amazon here

11. Ghostbusters
Ghostbusters is a great option for a practical but iconic group costume. It works for mixed groups and can be made funny, cute, or classic depending on how you style it.
Order: jumpsuits, inflatable proton packs, ghost props, matching patches.
Best for: groups of 3 or more, mixed friend groups, easy party costumes.
Shop ghostbusters costume on Amazon here
12. Care Bears
Care Bears are cute, colourful, and brilliant for best friends who want a softer Halloween look. Each friend can pick a different colour and bear personality.
Order: Care Bear onesies, rainbow accessories, face stickers, fluffy ears.
Best for: cozy parties, cute group photos, low-effort costumes.
13. Alice in Wonderland
This theme gives everyone a character: Alice, the Queen of Hearts, the Mad Hatter, the White Rabbit, Cheshire Cat, and playing cards. It is whimsical, fun, and perfect for a bigger group.
Order: character dresses, top hats, rabbit ears, heart accessories, card costumes.
Best for: larger groups, fantasy lovers, themed Halloween parties.
14. Super Mario Group Costume
Super Mario is such an easy group costume because there are so many characters to choose from. Mario, Luigi, Peach, Daisy, Toad, Bowser, Yoshi, and Wario all work well together.
Order: character hats, overalls, princess dresses, moustaches, gloves.
Best for: mixed groups, gaming fans, fun party costumes.
Shop Mario costume on Amazon here

15. Fairies
A fairy group costume can be magical, pretty, and simple to order. Everyone can wear a different colour or match in pastels, glitter, wings, and flower crowns.
Order: fairy wings, tulle skirts, glitter makeup, flower crowns, wands.
Best for: dreamy Halloween looks, best friend photos, girly party themes.
16. The Addams Family
The Addams Family is perfect if your group wants something gothic but stylish. Wednesday, Morticia, Gomez, Pugsley, Uncle Fester, and Cousin Itt all make brilliant costume options.
Order: black dresses, striped shirts, gothic wigs, fake moustaches, pale makeup.
Best for: spooky groups, gothic costumes, classic Halloween vibes.
17. Cowboys and Cowgirls
A western group costume is easy to order and easy to customise. Everyone can wear denim, boots, hats, fringe, and bandanas, or you can go full glam cowgirl with rhinestones and pink accessories.
Order: cowboy hats, boots, fringe jackets, denim shorts, bandanas.
Best for: bachelorette Halloween, country music fans, bar crawl costumes.

18. The Purge
If your group wants something darker and scarier, The Purge is a simple costume idea that looks effective with minimal effort.
Order: LED masks, fake blood, black outfits, toy prop accessories, ripped shirts.
Best for: scary Halloween parties, night events, last-minute groups.
19. Fruit Salad Group Costume
A fruit costume is silly, colourful, and great for friends who want something funny instead of scary. Think strawberry, banana, pineapple, watermelon, grapes, and lemon.
Order: fruit tunics, headbands, colourful tights, novelty bags.
Best for: funny groups, daytime parties, easy matching costumes.
Shop fruits costume on Amazon here

20. K-Pop Idol Group
A K-pop inspired group costume lets everyone dress like they are in the same girl group. Matching colours, sparkly outfits, boots, microphones, and dramatic hair clips make it feel coordinated without everyone needing the exact same outfit.
Order: sequin tops, pleated skirts, microphones, boots, hair bows, faux leather jackets.
Best for: glam besties, dance-loving groups, TikTok content.
How to Choose the Best Group Halloween Costume
Before you order anything, decide how coordinated you want to be. Some groups love a fully matching outfit, while others prefer a theme where each person can show their own style.
Think about:
How many people are dressing up
Whether you want cute, scary, funny, or glam
How comfortable the costume will be all night
Whether you need coats, tights, or flat shoes
How quickly the costume can arrive
Whether everyone wants to spend the same amount
My honest advice: choose a theme with flexible roles. The best group costumes are the ones where nobody feels stuck wearing the “boring” character.
Easy Accessories to Order for Group Halloween Costumes
If you do not want to buy full costumes, you can still pull together a strong look with accessories.
Good options include:
Matching headbands
Cowboy hats
Witch hats
Angel wings
Devil horns
Face gems
Temporary tattoos
Statement sunglasses
Character wigs
Matching tote bags
Fake microphones
Themed jewellery
Accessories are also great if your group is ordering separately but still wants the final look to feel connected.
Hosting a Halloween Party Too?
If you are planning costumes, there is a good chance you are also planning snacks, games, or a full Halloween party night. Once the outfits are sorted, think about how to make the whole party easier and more fun.
Need Halloween Treat Ideas That Are Not Candy?
If you want to give your guests something different this year, check out my blog post on alternatives to Halloween candy. It is perfect if you are hosting a party, making favour bags, planning a classroom treat, or just want ideas that are not the same old sweets.
Want Halloween Party Game Ideas?
Costumes are fun, but games are what keep the party going. If you are hosting a girls’ night, best friend Halloween party, family party, or adult Halloween night, add a few easy games so guests have something to do between snacks and photos.
Final Thoughts
Group Halloween costumes are one of the easiest ways to make Halloween feel more exciting. Whether your best friends want to look cute, scary, funny, nostalgic, or completely dramatic, there is a costume theme you can order now and make your own.
The best part is that group costumes do not have to be complicated. Pick a theme, choose your roles, order your key pieces, and add accessories that make the outfits feel coordinated. Then all that is left to do is take far too many photos and enjoy the chaos.
