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21 awesome sibling Halloween costumes kids can wear together

Double — or triple — the fun! These adorable sibling Halloween costumes all but guarantee your littles will place in the costume contest.

21 awesome sibling Halloween costumes kids can wear together

What’s cuter than one adorable kid in a Halloween costume? Coordinating Halloween costumes for all of your kids, of course! We’ve rounded up 21 of the most creative, beloved sibling Halloween costumes just in time for the spookiest time of year. From super-easy to pull together to semi-advanced, there’s something in here for everyone. Happy haunting!

1. Cast of “Grease”

Sibling Halloween costumes - Cast of Grease
Image via Elizabeth Sauvageau/Instagram

All we can say is: Wow! Not only is the cast of “Grease” a great idea for sibling Halloween costumes, these kids are nailing the poses.

2. Carl and Russell from “Up”

Sibling Halloween costumes - Carl and Russell from Up
Image via Erin Fleming/Instagram

We loves these sibling Halloween costumes — and the movie “Up.” Adventure is out there for sure!

3. Ghosts

Sibling Halloween costumes - Ghosts
Image via H Before G/Instagram

Not only are these ghost costumes super simple to pull together, if you have three kiddos, you can refer to them as “The Three Ami-ghosts.”

4. Football player and football

Sibling Halloween costumes - Football player and football
Image via Jensine Casey/Instagram

Touchdown! If you’ve got a little one who’s, well, little, this football player/football costume is perfect — and cozy!

5. Football player and reporter

Sibling Halloween costumes - Football player and reporter
Image via Jessica Evans/Instagram

If your kids are a little closer in age, try going with a football player and ESPN reporter — very easy to throw together!

6. Lilo & Stitch

Sibling Halloween costumes - Lilo & Stitch
Image via Doll House Dresses/Instagram

Whether you’ve got besties on your hands or siblings, going as Lilo and Stitch is always a good idea. 

7. Three good fairies 

Sibling Halloween costumes - Three good fairies 
Image via Milan Cohen/Instagram

Forget Cinderella! This trio of good fairies — Flora, Fauna and Merryweather — is a sibling Halloween costume for the books!

8. Jasmin, Aladdin and Abu

Sibling Halloween costumes - Jasmin, Aladdin and Abu
Image via Mrs. Cofield and Co/Instagram

Everything about these “Aladdin” costumes are perfect — but look at that sweet little Abu! What a cutie!

9. Cops and robbers

Siblings Halloween costumes - Cops and robbers
Image via Derm Doc Libby/Instagram

Take your little one’s police officer costume to the next level by adding an adorable and miniature crook. Cutest little cops and robbers!

10. Little Red Riding Hood and the Big Bad Wolf

Siblings Halloween costumes - Little Red Riding Hood and the Big Bad Wolf
Image via Emily McCallister/Instagram

There’s so many things to love about this sweet Little Red Riding Hood and Big Bad Wolf duo, but it’s the wolf’s frayed jeans that really do it for us. 

11. Mario Brothers

Sibling Halloween costumes - Mario Brothers
Image via momendeavors/Instagram

One of the best things about this Mario Bros. sibling costume? There’s very little potential for arguing over who’s who.

12. Alvin and the Chipmunks

Sibling Halloween costumes - Alvin and the Chipmunks
Image via Victoria Love/Instagram

These kids and their cute pup pulled together to make an amazing Alvin and the Chipmunks trio. Awww, the band’s all together! 

13. Ghostbuster and Stay Puft Marshmallow Man

Sibling Halloween costumes - Ghostbuster and Stay Puft Marshmallow Man
Image via patrice_thomps/Instagram

The ghostbuster is ridiculously cute, but let’s be honest here, is there anything more adorable than a baby Stay Puft Marshmallow sidekick?!

14. Rainbow and rain cloud

Sibling Halloween costumes - Rainbow and rain cloud
Image via beingkiyana/Instagram

First comes the rain cloud … and then a sweet baby rainbow! This sibling duo is too cute for words.  

15. Peter Pan and Captain Hook

Sibling Halloween costumes Peter Pan and Captain Hook
Image via ktmaymccord/Instagram

OK, this is just about the sweetest Peter Pan and Captain Hook we’ve ever seen. One problem, though: Hook’s not even scary at all. 

16. Beauty and the Beast

Sibling Halloween costumes - Beauty and the Beast
Image oliver__and__aida/Instagram

Clearly, this beauty and beast are besties. Look at how great they look together!

17. Dorothy and the Lion 

Sibling Halloween costumes - Dorothy and the Lion
Image via cassie xavi gabi addie/Instagram

Really, can one ever go wrong when there’s ruby slippers and a baby lion involved?

18. Superman and Supergirl

Siblings Halloween costumes - Superman and Supergirl
Image via meganrachelle101/Instagram

It’s a bird! It’s a plane! It’s the perfect sibling Halloween costume!

19. Firefighter and a Dalmatian

Sibling Halloween costumes - Firefighter and a Dalmatian
Image via beccastyle/Instagram

Everybody knows it: Every good firefighter has a beloved firehouse Dalmatian

20. The Grinch and Cindy Lou Who

Sibling Halloween costumes - The Grinch and Cindy Lou Who
Image via tanillewilliamsonphotog/Instagram

We’re dead. This Grinch-themed costume simply can’t be topped!

21. Older couple

Sibling Halloween costumes - Older couple
Image via kimmymsu313/Instagram

While “older people” may be a generic costume, these are fantastic sibling Halloween costumes — and love how these kiddos are committing!