Harry, Hermione, and Ron. Regina, Karen, and Gretchen. Angelica, Eliza, and Peggy.
Trios like these are iconic and make great Halloween costumes for a group. Dressing up with your friends is more fun and makes your look more recognizable.
In this post, we’ve selected our favorite trio costume ideas for you and your friends to pick from. They range from classic to obscure, giving you plenty of inspiration for this Halloween.
Totally Spies
Totally Spies is an iconic 2000s TV show with costumes that are easy to recreate. All you need are colored jumpsuits, boots, gloves, and wigs to go all out.


The Chipettes
The Chippettes are the lesser-known girl group companions to Alvin and the Chipmunks. You can accessorize your color-coordinated costumes with chipmunk ears and face paint to complete the look.



Powerpuff Girls
We can’t make a trio costume list without mentioning the Powerpuff Girls. You can get colored slip dresses to mimic their outfits or recreate them with clothes you already have.



Clueless
With plaid blazers and 90s updos, you can recreate Cher and her friends’ looks from Clueless. It’s easy to shop the pieces online, or you can get creative and thrift what you need.


Ghostbusters
With a brown jumpsuit and a Ghostbusters logo pin, you can become the next ghost protectors of New York. If you’re feeling crafty, you can even make their proton packs out of cardboard.


Sanderson Sisters
Hocus Pocus is a Halloween classic, and the costumes are instantly recognizable. This is another great one to recreate exactly or dress inspired by, using what you have in your closet.



The Plastics
Mean Girls is always in style, especially with the new musical version released this year. All you need is three pink outfits and a burn book to carry with you.



Swifties
Pull out the Era’s Tour outfit you spent hours putting together and give it another spin this Halloween. If you don’t have one, try recreating one of Taylor’s iconic on-stage outfits.



Charlie’s Angels
You can make an easy Charlie’s Angels costume by wearing all-black and striking a pose whenever someone asks you who you are. Don’t forget your leather pants and 2000s hairdos.



Dallas Cowboy Cheerleaders
Netflix’s new documentary on the Dallas Cowboy cheerleaders has brought them to the public spotlight. Their uniforms are a fun choice if you don’t mind a more risque costume.


The Schuyler Sisters
Hamilton quickly earned its place among the Broadway greats. The most iconic trio in the musical is the Schuyler sisters, who are instantly recognizable by their colorful colonial dresses.



Barbies
Barbies are a great idea because the three of you can wear whatever outfits you like. All you need is a cardboard Barbie box to complete your costume.


Sailor Moon
Each of you can choose your favorite Sailor Moon guardian for a fun trio costume. Don’t forget wigs to really nail their anime looks.



Strawberry Shortcake
There’s nothing sweeter than a cute Strawberry Shortcake group costume. With plenty of delicious dessert-themed characters, you have no shortage of costume ideas.


Alice in Wonderland
Alice in Wonderland also has plenty of fun characters to dress up as. You could be an iconic trio like the Mad Tea party group or any three characters of your choosing.



Disney Princesses
Disney princesses are classic costumes and easy to wear as a group. Everyone can dress up as or inspired by their favorite princess, complete with tiaras.


Winx
The Winx Club is another classic 2000s TV show. With six main characters, three villains, and plenty of secondary characters, your biggest problem will be choosing which one to dress up as.


DC Supervillains
For a sexy costume idea, dress up as classic DC comic characters, like Poison Ivy, Harley Quinn, or Catwoman. This idea also pairs well if you have boyfriends or husbands to dress up as the DC heroes.


Six
This musical about the wives of Henry VIII has fantastic and iconic costumes. It’s also an easy group costume to expand if you have enough friends to be all six queens.


Monster High
Monster High characters are fun twists on classic monsters and villains. They can also make a great group costume with each of you wearing your favorite character’s look.


Starfleet Officers
Star Trek is a cultural icon. Thankfully, the costumes are also easy to replicate and recognize, especially if you wear the Starfleet pin.



Nancy Drew
Nancy, Bess, and George are the main characters from the Nancy Drew books. They’ve had many looks over the years, so there are plenty of ideas for you to try.



Your trio will look fantastic this Halloween in any of these costumes. Decide what look you want soon to make sure your outfits are ready by the 31st!
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