Celebrity Sister Costume Ideas for Halloween

Kate and (new mom!) Pippa Middleton are one of the classiest sister duos ever. Their most iconic moment was when Pippa helped her sister with her train during Prince William and Kate’s legendary 2011 wedding. Get some knockoff wedding dresses, and you’re good to go.

Whether you go ’90s with overalls and hats a la It Takes Two, you don “I Love NY” shirts to rep New York Minute, or you replicate those iconic color block dresses from Our Lips Are Sealed, there are endless costume options when it comes to these famous twins.

These powerhouse sisters might offer the comfiest Halloween costume idea ever! Throw on your tennis clothes, grab your racquets, and don’t forget some medals or trophies to really distinguish that you’re these champions. 

Although Princess Eugenie just got married, offering up plenty of Halloween inspiration, her most memorable look was at Prince William’s wedding to Kate Middleton. Princess Eugenie and her sister Beatrice’s fascinators were truly eye-catching. You and your friend or sister can get all gussied up in these fun blue and pink costumes.

Whether you decide to throw it back to a “Sisters First” cover shot look, or you imitate any of the fabulous fashion from Barbara Bush’s recent wedding, there’s plenty of options to dress up as these Texas sisters.

It’s fun to be royal, even if only for a night. Hit show (and our personal obsession) The Crown offers plenty of incredible wardrobe suggestions for how to pull off this royal duo’s look. Now for the biggest question: Who gets to be queen?

Rosemary Clooney and Vera-Ellen portrayed sisters Betty and Judy Haynes in one of our favorite Christmas movies of all time. From the Santa-red dresses on the movie poster to the blue outfits the duo wears when they sing “Sisters,” there are several winning costume options from these beauties. Prepare a duet if you’re really committed!

Although both Mowry twins are still in the spotlight as adults, this throwback show is one of our favorites. Get decked out in denim and hats for this dynamic ’90s duo.

Perhaps the most famous stepsisters in pop culture, Cinderella’s ugly stepsisters Anastasia and Drizella make for vibrant costumes that can’t be mistaken. You can model your costumes after the original animated movie or the live-action remake, and add a Cinderella in your group, too.

It’s the perfect time to dress up as our three favorite witches this Halloween, because it’s been confirmed that Disney is planning a remake of the cult-classic film. Bette Midler, Kathy Najimy, and Sarah Jessica Parker portrayed the Sanderson witches in one of the best Halloween movies. All three costumes are so iconic that you can’t go wrong with who you pick.

If you have kids, you have undoubtedly seen Frozen too many times to count. “Let it go” and dress up as Anna and Elsa this year. Whether you buy costumes online or DIY it with dresses, braids, and plenty of glitter for Elsa, everyone will know who you are.

Geena Davis and Lori Petty played sisters who get involved in a baseball league rivalry in one of our favorite movies. There’s a tutorial here for how to DIY this cute costume.  

There are so many great costume choices from this movie. Whether you pick a tweed suit for Annie and a flannel for Hallie, matching camp uniforms, these memorable yellow outfits, or dresses reminiscent of the ones they wore in the wedding night remake scene, you can’t go wrong with a Parent Trap-inspired twin costume.

To dress up as these family-favorite sisters, we suggest plenty of scrunchies and a teasing comb. Full House was the epitome of late ’80s-early ’90s fashion, so start digging through your old clothes or visit the thrift store for bright colors, denim, and big sweaters.

Before there was Full House, there was The Brady Bunch, which came with plenty of sister-induced drama. Whoever dresses as Cindy will have to rock pigtails (braided or curled), Jan will need an eternal chip on her shoulder, and Marcia will need board straight hair with a center part. Bonus points if you find a big enough crew to play the entire family.

If you’re more in the mood for a creepy Halloween costume than a pair of sisters from a family TV show, here you go! Requirement: Taking a picture holding hands with scary blank expressions.