Looking for creative Halloween costumes to try with your best friends? Here are 21 unique Halloween costume ideas for groups that will blow your mind!

Many people long wait to dress up crazily and weirdly for Halloween. Well, it’s not that you have to dress up weirdly every time. There are some beautiful and cool dress-up ideas that you can use for this year’s Halloween, not only as an individual but as a group.
I have curated a list of cute and unique Halloween costume ideas for your groups that you can try to surprise and amaze everyone this year. These unique costumes are bound to make heads turn and garner praise from anyone who sees them!
Whether you’re three, four, or even more than five, check out the best Halloween costume ideas for groups.
21 BEST HALLOWEEN COSTUME IDEAS FOR GROUPS
1. Flowers Halloween Costumes

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What’s better than being dressed up as flowers with your best girls? After all, everyone loves flowers, and they are always considered lovely and sweet for almost any occasion. Pick your favorite color and flower and dress up as fresh as a daisy.
2. Fairies

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This is one of the easiest Halloween costume ideas for groups of 3 because you don’t need much to recreate it.
We all have grown up listening to stories about fairies, and they have undoubtedly become an essential part of our childhood and imagination. Dressing up as fairies this Halloween will be a unique and, at the same time, beautiful idea.
3. Space Cowgirls

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By dressing up as space cowgirls, your girl gang can have the advantage of dressing up reflecting future fashion with a touch of old western style. Talk about fusion, and you get the unique Halloween costume idea of dressing up as Space Cowgirls.
This is easy to copy and you can take as many people as you want in the group since you can add a few variations to each outfit to make them the most unique Halloween costume ideas for best friends.
4. Mamma Mia Characters

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f you have always fantasized about dressing up like movie characters, the Mamma Mia characters will be the absolute chick and stylish pick for you this Halloween. Look stylish and pretty at this year’s party by recreating the iconic Mamma Mia characters.
6. The Winx Club

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Most of us have grown up watching and admiring The Winx Club; dressing up with your friend’s group like The Winx girls will look not only good look good and relatable. After all, what else can you dress up like to save the world on Halloween night other than The Winx Club?
This is one of the most iconic group costume ideas for 3.
8. Tim Burton Characters

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The Tim Burton Characters is yet another unique and highly creepy costume idea you can opt for this year’s Halloween. You can pick from a wide variety of Tim Burton’s all-time characters and dress up as the most haunting and relatable character.
They always have such a unique style which is why you’ll dress up as the most unique Halloween costume ideas for groups!
Read: 20 Best Halloween Costumes For Friends
9. Spring Breakers

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Since it was released in 2012, Spring Breakers has become a movie with a huge fan following and some very shady characters. Dressing up as a group like the spring Breaker characters will give you all the thrill and excitement needed to enjoy fully at Halloween.
10. Super Mario Bros Group Costume

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Super Mario Bros is the ultimate childhood game for almost everyone, and no one can forget those cute jumping brothers and the princesses they wanted to free.
Dressing up as the Super Mario Bros and their princesses will make your group one of the cutest Halloween costume ideas for best friends of the night!
11. The Mean Girls Cast Halloween Costumes

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The Mean Girls cast is famous for the spice and variation they offer in their characters. Dress up with your girl gang as the meanest group on the planet to stay in the limelight and outshine everyone else this Halloween night.
Is there anything more iconic than that Regina outfit?
12. The Purge

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The Purge is a series of action-horror films that provides a bone-chilling thrill. Dressing up the famous Purge characters will be a unique Halloween costume idea for your group, as it goes with the theme of horror and thrill and is a distinctive costume.
You will definitely stand out among all the other Halloween costume ideas for groups.
13. Angels and Devils

There’s nothing more iconic than the Angels and Devils combination. If you want to dress up as a group but you don’t want to repeat your costumes, you can include a dark angel to spice things up!
This is one of the most creative Halloween costume ideas for friends.
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15. Spice Girls

The Spice Girls are still one of the most iconic groups in the Pop genre. You can spice up your world by assigning a member to each one of your friends and wearing their stylish outfits.
Not only you will look insanely good together but you can also use the occasion to do some karaoke time!
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Read: 23 Easy Halloween Costumes For Girls To Make Last Minute
18. Totally Spies!

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If you have also grown up watching Totally Spies all your childhood, it’s time to dress up like those characters and save the mysterious cases this year.
Not to forget, the thrill and the amusement will be unmatchable when people see you in these amazing Halloween costumes for a group of 3!
19. Teletubbies

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Teletubbies were no doubt the cutest and most adorable TV series for kids. If you want to bring your inner child out and look the cutest and prettiest little thing this Halloween, dress up with your group as the Teletubbies!
This is one of the easiest Halloween costume ideas for groups of 4 or more.
20. Disney Princesses Group Costume

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You can never go wrong with a Disney costume, and dressing up as a Disney princess will make you relive your childhood all over again. Not only will this costume garner praise, but it also will make you look ethereal and magnificent.
21. Mermaids

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Easy Halloween costume ideas for groups that are original but also stylish are my favorite kind of costumes. And there’s nothing more stylish and fairytale-like than dressing up as a mermaid! This will be a unique costume idea for a group and look the most amazing on you and your girls.
You just saw the best Halloween costume ideas for groups!
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