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15 Greatest Best Friend Halloween Costumes of All Time

Nothing says BFF like the perfect Halloween costume. Grab your bestie and get your creativity on this Halloween by disguising yourselves as a famous duo. Just a few of our faves? Cher and Dionne, SpongeBob and Patrick, Blair and Serena and even ketchup and mustard!

1. Cher and Dionne

You can’t go wrong with this iconic ’90s BFF team. The Clueless pals never go out of style with their trademark plaid skirts and Valley girl talk.

2. Netflix and Chill

All about that Netflix and Chill lifestyle.

3. Peanut Butter and Jelly

A classic pair that doesn’t work without the other—similar to you and your BFF.

4. Ketchup and Mustard

Where would ketchup be without mustard and vice versa?

5. CatDog

All we can hear is the CatDog theme song playing.

6. Blair and Serena

XOXO, Gossip Girl.

7. SpongeBob SquarePants and Patrick

The only thing that would complete these costumes are some late-night Krabby Patties.

8. Mermaid Man and Barnacle Boy

Anything is possible when Mermaid Man and Barnacle Boy unite.

9. Wayne and Garth


10. Three Blind Mice

The perfect Halloween look for a group of besties who can’t see clearly without one another.

11. Strawberry and Pineapple

Smoothie, anyone?

12. Angel and Devil

It’s just a matter of deciding who’s the angel and who’s the devil in your friendship.

13. Mario and Luigi

Beware the Piranha Plants!

14. Buzz Lightyear and Woody

BFFs forever—Andy included.

15. Napoleon Dynamite and Pedro

I mean…

Originally from the central coast of California, Ani Dietman (Araya-Byrd) studied English Literature and public relations at San Diego State University where she blended her passions for journalism and PR into internships and reporting for SDSU's newspaper, The Daily Aztec. In October 2014, Ani fulfilled one of her biggest dreams and made the move to NYC. On any given day, you’ll find Ani running through Central Park before sunrise with her husband, fueling her addiction to shoes, reading Jane Austen and working as a PR Account Manager for W2O Group.