21 More Adorable Sister Halloween Costumes
Dressing up is always more fun with a partner. And when it comes to Halloween, sisters make the ultimate costume duo!
Gone are the days when my girls let me dress them in coordinating costumes. They both have their own unique style and interests. And some years, they want to dress up with their friends instead of each other. However, I still love seeing little sister pairs dressed up together.
From classic characters to creative pop culture picks, the possibilities are endless and seriously adorable. If you loved my first round-up of sister costume inspiration, you’ll be excited to see even more ideas!
Here are 21 more adorable sister Halloween costumes that are perfect for trick-or-treating, parties, or fun photoshoots.
Bring It On
“Brrr…It’s cold in here!” I am obsessed with these tiny cheerleading outfits for a mini Clover and Toro!
Materuis Bring It On Cheerleader Costume for Women RCH Top Skirt Girl Cheerleaders Uniform Girls United Cos Outfits (XL)Girls Bring It On Cheerleader Costume Clovers Cheerleading Dress Kids Green Halloween Cosplay Cheer Uniform
Bibbidi Bobbidi Boo
If you have a princess-loving girl, why not make her baby sister her Fairy Godmother? I absolutely love this idea.
TYHTYM Cinderella Costumes Girls Princess Dress Up Fancy Halloween Christmas Party with Headwear and Choker SetRuikajia Cinderella Fairy Godmother kids Costume cape+ aprons (2 Years, Blue)
Care Bears
These Care Bear costumes are the most snuggly little things! It would be especially good for trick-or-treating in the cold.
Spirit Halloween Care Bears Baby Cheer Bear Costume | Officially Licensed | Jumpsuit with attached HoodFun Costumes Care Bears Toddler Friend Bear Costume 4T Yellow
Toy Story
Who said Toy Story’s Woody and Buzz were only for the boys? These Disney dresses are the absolute cutest!
Buzz Tutu Deluxe Toy Story 4 Child Girls Costume, XS (3T-4T),WhiteSpirit Halloween Toy Story Toddler Woody Dress Costume, Officially Licensed
3 Good Fairies
Fauna, Flora, and Merryweather, the 3 good fairies from Sleeping Beauty, make a perfect sister trio!
Teatots Party Planning Sleeping Beauty Good Fairy Costume Sets (Hats and Capes) – Kids, Teen, Adult and Plus Sizes (Small 3-5y, Pink)Sleeping Beauty Good Fairy Costume Sets Hats Dress and Capes Toddler Kids Teen 3 Years Green
Elphaba & Glinda
Out of all the sister Halloween costumes, Elphaba and Glinda have to be one of the most iconic duos!
Halloween Girls Witch Dress Black Ruffled Dresses Set with Cape Glasses Gloves Stockings Pointed Hat for Kids 6-8TAxwcon Wicked Glinda Dress Costume for Girls, Pink Tulle and Sequin Witch Dress for Kids Christmas、Halloween Cosplay Costumes
Tweedledee & Tweedledum
These Alice in Wonderland Tweedledee and Tweedledum costumes are absolutely adorable for girls!
Tweedle Dee and Tweedle Dum Costume Set – Baby, Toddler, Kids, Teen, and Adult Sizes (Adult Small)KICOFIT Tutu Skirts Women Girls Halloween Costume Party Dress Up Running Skirt 4 Layers 5 Layers Red
Bluey and Bingo
Bluey is such a popular cartoon. It’s no surprise that these sister Halloween costumes would be a hit!
Spirit Halloween Bluey Toddler Bingo Dress Costume | 3T – 4T | Officially Licensed | Easy CostumesSpirit Halloween Bluey Toddler Dress Costume | Officially Licensed | Theatrical Halloween Outfit – 5-6T
Cher and Dionne
These girls dressed up as Cher and Dionne from the movie Clueless are too dang cute. Lainey did this costume duo with her friend in 8th grade and loved it!
Fun Costumes Clueless Dee Halloween Costume for kids and Girls – Multi-colored – X-LargeFun Costumes Toddler Girl’s Clueless Cher Costume 4T
Workout Barbie
These workout Barbie outfits are so bright and pretty! And those bows complete the look.
Toddler Girls Totally 80’s Workout Halloween Costume | Kids Neon Exercise Outfit with Leotard, Leggings, Wrist Bands, & Leg Warmers 4TInSpirit Barbie the Movie Kids Skating Barbie Costume | Officially Licensed | Roller Skater | Youth Medium
Chic-Fil-A
Lyvi was a cow one year for Halloween, and Lainey was a cowgirl. How did we miss the opportunity for the Chick-fil-A reference??
Baby Cow Costumes Unisex Toddler Outfit Halloween Dress Up Romper 2-3 YearsThe Children’s Place Baby Girls and Toddler Girls Short Sleeve Pique Polo, Ruby, 5T
Parent Trap
90s babies will understand how iconic The Parent Trap movie was! But having the ripped picture would be a must!
ZFZDRen 1-14Y Baby Baseball Tee Toddler Boys Girls Raglan T Shirt Kids Blouse Short Long Sleeve Casual Crew Neck Tops (Green-1, 2-3 Years)MCEDAR Girls Athletic Shorts with Liner, Quick-Dry Lightweight Active Workout Sports Running Shorts with Zip Pocket Green,M/8-10Y
Angel Cake & Strawberry Shortcake
Angel Cake and Strawberry Shortcake are the cutest little duo. I love the little freckles!
KIDSCOOL SPACE Little Girl Boy Denim Overalls,Toddler Little Kids Workwear Pants,Light Blue,7-8 YearsRuffleButts Red & White Stripe Knit Long Sleeve Ruffle Layering Tee – 3T
A League of Their Own
This sister Halloween costume idea is perfect for girl dads. Mom could even get it on the fun!
Toddler Girl’s A League of Their Own Dottie Halloween Costume | Kids Baseball Dress with Cap, Hat and Socks for Playtime Fun 2TSpirit Halloween Adult Jimmy Costume – A League of Their Own, Men
The Shining
If your girls are fans of all things creepy, maybe they could be the Grady twins from The Shining.
LTAKK Grady Twins Costume Creepy Doll Scary Twins Sisters Dresses Kids for HalloweenRemimi Women Girls Halloween Twins Costume Blue Puff Sleeve Lolita Dress
Mary Kate and Ashley Olsen
Again, the 90s kids will have so much appreciation for this costume! And the Olsen twins made so many movies; there are PLENTY of different outfits to choose from.
Haloumoning Girls Denim Overalls Kids Sleeveless Wide Leg Jumpsuit Bib Overall with Pockets 4-14 YearsKEREDA Girls Shirts Short Sleeve Soft Cotton T-Shirts Plain Tees Tops Clothes for Kids Pink 7-8 Years
Lilo & Stitch
Even though Stitch is a boy, these Lilo and Stitch costumes are so cute for sisters!
Disney Lilo and Stitch Kids Stitch Costume Dress | Hooded Alien Outfit with Pair of Mitts MediumHawaiian Little Girls Costume Dress with 4 Pcs Luau Flower Leis Accessories Set Red Flower Hair Clips Toddler Halloween Party Cosplay Outfit for 9-10 Years
Stranger Things
My girls love Stranger Things, so maybe I could talk them into being Barb and Eleven!
Spirit Halloween Kids Eleven Dress Costume – Stranger Things, GirlsRobin Scoops Ahoy Costume, Official Stranger Things Halloween Costume with Hat, Kids Size (10-12)
Taco Belle
I love a good play on words, so this Taco Belle duo is right up my alley!
Fun World Taco Costume for Children – One SizeBelle Provincial Village Costume – Blue Princess Dress for Beauty and the Beast
Tinker Bell & Wendy
Tinker Bell and Wendy from Peter Pan are a great costume idea for sisters!
Toddler Disney Tinker Bell Costume for Girls | Toddler Disney Costumes 4TNSPSTT Wendy Costume Girls Wendy Darling Costume Girl Halloween Princess Dress, 7-9
Lucy & Ethel
Name a more iconic duo than Lucy and Ethel from the TV show, I Love Lucy. It would be one of the best Halloween costumes for sisters!
VintageCos Lucy Cosplay Costume Lucille Ball Costume Dress Polka Dot Dress with Apron Halloween Suit for WomenIWEMEK Kids Girls 50s Vintage Dress Retro 1950s 50’s Style Swing Dress A line Tea Party Audrey Hepburn Rockabilly Dresses
Halloween is the perfect excuse to team up with your sister and create memories in costume together. From clever duos to timeless classics, these ideas prove that the best costumes are the ones you share.
Whether you’re going all out or keeping it simple, dressing up with your sister is a tradition worth keeping. And it guarantees plenty of smiles (and maybe a little candy-stealing, too!).
I have my fingers crossed that my girls will want to coordinate their costumes together again one day! Until then, post all the pictures of your little cuties dressed up, so I can reminisce.
Check out more Halloween costume inspiration
