The 24 best-dressed celebrities of Halloween 2015

Katy Perry Halloween 2015
Katy Perry as a mic drop. Instagram/Katy Perry

Halloween has come and gone — at least until 2016. But we still have the memories. And thanks to Instagram, we have proof that celebrities like to get dressed up and party on October 31 just like the rest of us.

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Some took the holiday seriously, some went for comfort, and others just went for the promise of disguise.

Here's what Hollywood's A-Listers came up with this year for Halloween.

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Heidi Klum was unrecognizable as Jessica Rabbit for her own infamous Halloween fete.

Halloween Celebrities
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Klum posed with supermodel Gigi Hadid, who was a pretty convincing Sandy from "Grease."

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Beyonce´, Jay Z, and their daughter Blue Ivy dressed up as the cast of "Coming to America."

Coming to America🎃

A photo posted by Beyoncé (@beyonce) on

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Neil Patrick Harris and his husband David Burtka never disappoint when it comes to their annual family costumes. Here's this year's look:

A long time ago in a Halloween far, far away....

A photo posted by Neil Patrick Harris (@nph) on

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Jennifer Lopez somehow makes this makeup look elegant.

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"Never buy a costume that says 'One Size Fits Most,'" Dwayne "The Rock" Johnson lamented about his Popeye attire. Maybe he needs to go easy on the spinach?

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The Biebs dressed up as "Jackie Moon," Will Ferrell's character from the 2008 movie "Semi-Pro."

Jackie moooooooooon #semipro

A photo posted by Justin Bieber (@justinbieber) on

Channing Tatum and Jenna Dewan each had their own take on "The Cat in the Hat."

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Tyra Banks went as Richard Branson.

Which one is @richardbranson and which one is @tyrabanks??? Happy Halloween!

A photo posted by Tyra Banks (@tyrabanks) on

Emily Ratajkowski flawlessly pulled off this look right out of Springfield.

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And how many famous babies can you find in this Instagram from Vin Diesel?

Pauline and the Twins first Halloween. All love... @zoesaldana

A photo posted by Vin Diesel (@vindiesel) on

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Kourtney Kardashian and her 3 kids all dressed as superheroes.

Superheroes. ⚡️🎯🕷⭐️

A photo posted by Kourtney Kardashian (@kourtneykardash) on

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While sister Kim dressed as herself circa 2013, when she was pregnant with daughter North at the annual Met Gala.

I think I nailed the Kim K costume! 🕸👻🕷

A photo posted by Kim Kardashian West (@kimkardashian) on

Taylor Swift performed as Olaf from "Frozen."

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Hugh Jackman looked "Super."

Happy Halloween!

A photo posted by Hugh Jackman (@thehughjackman) on

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Katy Perry went as a mic drop.

*Drops mic on your Halloween* 🎤⤵️

A photo posted by KATY PERRY (@katyperry) on

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Jesse Tyler Ferguson and his boyfriend went as everyone's favorite early-aughts partners in crime.

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And Jessica Alba invented post-its and impressed everyone as Romy from "Romy and Michelle's High School Reunion."

#romyandmichelle #halloween @kellysawyer n I invented post-its

A photo posted by Jessica Alba (@jessicaalba) on

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Nicole Richie went with a "Nightmare Before Christmas" motif.

Happy Halloween 👻 Sincerely, Mr. Jack Skellington.

A photo posted by @nicolerichie on

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LeBron James was Prince.

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"Girls" star Allison Williams went as Disney princess Belle.

Ugh Belle I've been telling you to get a damn Kindle. #SubwayStyle #HappyHalloween

A photo posted by Allison Williams (@aw) on

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Anne Hathaway knows the best costumes involve onesies.

Boo! Thanks for the awesome night @ninadobrev and the gang 🎃👻🎃👻🎃👻🎃

A photo posted by Anne Hathaway (@annehathaway) on

And Ryan Reynolds went as his future superhero character Deadpool.

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