This post shows you the best trio Halloween costume ideas.
Halloween is the best time to get all dolled up and have fun with some creative costumes.
But sometimes you don’t want to go solo, and trio costumes are perfect for situations like that.
Trio costumes are ideal for those moments when you want to coordinate with your besties and make a memorable statement.
Why a trio costume, you ask? Well, sometimes good things come in threes!
Plus, it’s a fun way to bond and create lasting memories together.
Whether you’re looking for something cute, funny, or totally iconic, there are endless trio Halloween costume ideas to help you and the girls stand out this spooky season.
I’ve gathered some exciting costume ideas that are absolutely fabulous!
Here are 29 creative Halloween costume ideas for inspiration
1. Powerpuff Girls trio
This costume is inspired by the classic The Powerpuff Girls.
Blossom, Bubbles, and Buttercup represent “sugar, spice, and everything nice.”
It’s perfect for a group of three.
To nail Blossom’s look, wear a bright pink dress or a top and skirt combo.
For Bubbles, go for a baby blue top and a white tennis skirt.
Finally, Buttercup is the tough, edgy one, so opt for a green crop top with a black skirt or shorts.
2. Fairy tale princesses
Disney princesses are a Halloween trio must!
Snow White, Belle, and Cinderella are perfect, but you can always do a more flirty, grown-up twist—perfect for Halloween.
For the three princesses, a corset-style dress in their signature colors is the way to go.
Of course, accessorize because what’s a princess without her accessories?
3. Clueless Halloween costume
Clueless is an iconic ’90s movie that’s a Halloween favorite!
Plaid skirts, knee-high socks, and cute blazers or cardigans give this costume a nostalgic but timeless look.
For the iconic Cher Horowitz look, pair a yellow plaid skirt with a matching blazer.
4. Cowgirl cuties
This trio costume idea is inspired by the classic western cowgirl look but with a glamorous, fun twist.
Think “Yeehaw” meets Barbie, with lots of pink, sparkles, and sass!
All three girls can wear matching hot pink crop tops paired with sparkly fringed skirts.
Don’t forget the matching pink cowboy hats!
5. Freaky Friday rock band
This costume is inspired by the rock band scene from the 2003 movie Freaky Friday starring Lindsay Lohan.
It’s perfect for a trio that loves music and wants to showcase their rockstar energy!
Smokey eye makeup and black eyeliner will help channel that rockstar vibe.
6. Football fan look
This sporty Halloween costume is a fun take on the football fan look.
With matching jerseys, white shorts, and face paint, it’s perfect for a sporty, energetic trio ready to party.
Consider accessorizing with sporty wristbands or hair ties to match your team spirit.
7. Pirate princesses
This is another matching Halloween costume, with a playful twist on classic pirate themes but with a feminine, flirty touch.
For this costume, you’ll need a white off-the-shoulder dress paired with pink corsets.
Add pink bandanas and gold chains to complete the swashbuckling vibe.
8. Alice in Wonderland
This classic Alice in Wonderland trio captures some of the most iconic characters from the story: the Queen of Hearts, Alice, and the White Rabbit.
For the Queen of Hearts, go bold with your makeup.
Alice’s look is innocent, so soft curls in your hair and neutral makeup are perfect.
9. Pageant queens
Who doesn’t love beauty pageants?
For this costume, each person in the group wears a different satin mini dress in bright or pastel colors like pink, purple, or yellow.
Pair it with a white sash that reads your chosen title and a sparkly tiara.
10. Little green aliens
Inspired by the cute, funny green aliens from Toy Story, this costume idea is perfect for a quirky trio.
For this costume, you’ll need oversized blue T-shirts (or dresses).
Pair them with bright green knee-high socks and alien headbands with antennae.
11. Firefighters
This costume is inspired by brave firefighters but with a cute, Halloween-friendly twist.
To create this look, wear high-waisted red shorts (some with sequins for extra sparkle!) paired with black crop tops.
Top off the look with plastic firefighter helmets and matching socks.
12. Mamma Mia disco queens
Mamma Mia is another iconic movie with a fun, ’70s disco vibe à la ABBA.
For this look, wear high-waisted, shiny blue bell-bottom pants paired with flowy golden tops (bonus points for bell sleeves!).
Accessorize with wide gold belts and chunky platform heels for that retro disco look.
13. Minions
This costume is inspired by the lovable Minions from the Despicable Me movies.
The Minions are popular for a reason!
To recreate the look, each person wears denim overalls with a yellow tube top.
Then, add a few fun props like the iconic bananas.
14. NASA space cadets
This look is inspired by NASA astronauts—because who doesn’t want to go to space?
To create the look, wear silver metallic long-sleeve tops paired with blue skirts and American flag knee-high socks.
Also, add NASA badges to complete the look.
15. Wizard of Oz trio
This costume is inspired by the classic Wizard of Oz movie.
Each member of the trio can take on a different character from the story, like Glinda the Good Witch, the Tin Man, and the Wicked Witch.
It’s an adorable costume idea, perfect for a group of friends.
16. Prisoners Halloween costume
This costume is inspired by the classic prisoner uniform.
To create this look, have your trio wear orange jumpsuits or high-waisted orange pants paired with black crop tops.
Then add a rebellious edge by accessorizing with silver chains, faux tattoos, and dark makeup.
17. Spider-Man pajama party
This Halloween costume, inspired by Spider-Man, is fun and comfortable.
Each person wears a Spider-Man onesie or pajama set with web patterns.
The hood adds a nice touch for a laid-back superhero vibe.
It’s perfect for casual Halloween events or dorm parties.
18. Ugly concubines from Mulan
This costume is inspired by the hilarious and iconic scene in Disney’s Mulan.
It’s the scene where Mulan and some soldiers disguise themselves as concubines to infiltrate the Imperial Palace.
Each person wears a brightly colored robe or kimono-style outfit.
The makeup should be exaggerated and playful, with heavy white face paint.
19. Three blind mice
I love this playful twist on the nursery rhyme Three Blind Mice.
It’s cute, quirky, and simple to pull off, making it an easy group costume idea for friends who want to coordinate but keep things low-key.
Mouse ears and sunglasses are key accessories to highlight the “blind” aspect of this costume.
20. Kiss, marry, kill
We all know the popular game Kiss, Marry, Kill.
This costume has each person dressed according to one of the three roles.
The person representing “Kiss” wears a sexy, sultry outfit.
While the “Marry” person wears a white dress or bridal outfit.
Finally, the “Kill” person dresses in an all-black outfit.
21. Mean Girls inspired: On Wednesdays we wear pink
Mean Girls is one of the most iconic movies, especially for the famous quote, “On Wednesdays, we wear pink!”
To create this Halloween look, have each person wear a different style of pink outfit.
A plaid skirt, a tight dress, and a “A Little Bit Dramatic” white T-shirt are iconic details.
22. Alvin and the Chipmunks
This costume is inspired by the trio from Alvin and the Chipmunks.
Each person represents one of the iconic chipmunks—Alvin, Simon, and Theodore—by wearing their signature colors and styles.
It’s a fun and easy costume for a group of three.
23. The Incredibles
The Incredibles costume is perfect for a group of three who want to channel superhero vibes.
Have each person wear a red shirt with the “Incredibles” logo and pair it with black leggings or fitted pants.
Don’t forget the black eye mask to complete the superhero disguise.
24. Angels and devil trio
This classic group costume is about two angels and one devil, playing on the contrast between good and evil.
The white angel wears an all-white dress and a halo.
The black angel wears a black mini dress, angel wings, boots, and a halo.
Finally, the devil wears a red dress with matching red thigh-high boots.
25. Money Heist
This costume is inspired by Money Heist.
Have each person wear an oversized red hoodie, paired with fishnet stockings or black leggings for a rebellious touch.
Complete the look with thigh-high boots or black shoes.
The key to this costume is the Salvador Dalí mask, which can be easily found online or at a costume store.
26. Ghosts with sunglasses
This is a fun twist on the classic ghost costume, adding a cool touch with sunglasses.
To create this look, each person uses a white sheet to mimic a traditional ghost.
A pair of black sunglasses worn over the sheet makes the ghost look casual and cool.
27. Bunny, cat, and mouse trio
This is a classic animal-themed group costume with a flirty twist.
Each person dresses up as a different animal—bunny, cat, or mouse:
- Bunny: Wear a white bodysuit with a fluffy tail and bunny ears.
- Cat: A black catsuit or dress paired with cat ears and a tail.
- Mouse: A cute silver or gray dress with mouse ears.
This is also a great idea for best friend Halloween costumes!
28. Traffic cones
This quirky costume is inspired by something you see almost every day—traffic cones!
Each person wears an oversized orange cone-shaped costume that covers most of the body.
The top of the cone has a pointed tip, just like a real traffic cone.
A long-sleeve black shirt underneath adds contrast and completes the look.
29. Monsters, Inc. trio
This trio costume is inspired by the characters from Monsters, Inc.—Mike Wazowski, Sulley, and Randall.
Their signature colors are green, blue, and purple, so get t-shirts in those colors.
Add accessories like horns, eyes, or tails to really bring the characters to life.
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