And just like that Halloween is over! Boo! We just CANNOT get over all the craziness that went down that night. The stars really outdid themselves this time. Well, if you have the money to be (or at least dress) whoever you want to be even for just one night , wouldn't you go all out? We've round up some of the best celebrity Halloween costumes we've seen this year. We loved Katy Perry who took quite a literal take on the meaning of Trick or Treat... but trust us, you've got to see Heidi Klum!

Check out our list below:

Doesn't Ed Sheeran look adorable as Austin Powers? Yeah baby!

A photo posted by Mrs. Sheeran (@_lovely_sheerio_) on Oct 10, 2014 at 12:20pm PDT

Check out cute couple Chris Brown and Karrueche Tran channel their inner "Grease"

A photo posted by Celebrity Fashion (@stylishcelebrity) on Nov 11, 2014 at 8:08am PDT

As if! Miley Cyrus went as her "role model" Godmother Dolly Parton and her sister Brandi totally channeled Cher from "Clueless."

A photo posted by Miley Cyrus (@mileycyrus) on Oct 10, 2014 at 11:08pm PDT

A photo posted by Miley Cyrus (@mileycyrus) on Nov 11, 2014 at 10:25am PDT

Joe Joans looks as hot as ever as Derek Zoolander.

A photo posted by Jøe Jønas (@joejonas) on Oct 10, 2014 at 6:12pm PDT

Awww! "HIMYM"'s Neil Patrick Harris, partner David Burtka and their children Gideon and Harperchanneled some Gotham vibes.

A photo posted by Neil Patrick Harris (@instagranph) on Oct 10, 2014 at 2:33pm PDT

Rihanna came as a Teenage Mutant Ninja Tutle...just because.

A photo posted by The Boss Up (@thebossup) on Nov 11, 2014 at 7:27am PDT

Britney Spears brought "Hit Me Baby One More Time" vibes with a toned down version of this sexy school girl outfit.

A photo posted by Britney Spears (@britneyspears) on Oct 10, 2014 at 7:53pm PDT

Kim Kardashian wore not one but TWO outfits... first she was a skeleton.

A photo posted by Kim Kardashian West (@kimkardashian) on Oct 10, 2014 at 4:32pm PDT

Then... she was Anna Wintour.

A photo posted by Kim Kardashian West (@kimkardashian) on Oct 10, 2014 at 5:40pm PDT

Taylor Swift brought her adorkiness in her Pegacorn outfit! (You know, Pegasus and Unicorn?)

A photo posted by Taylor Swift (@taylorswift) on Oct 10, 2014 at 4:23pm PDT

Beyonce and Blue Ivy as Janet and Michael Jackson. So adorbs!

A photo posted by Celebrity Fashion (@stylishcelebrity) on Oct 10, 2014 at 3:23pm PDT

Katy Perry was one, big, hot... Cheeto.

A photo posted by KATY PERRY (@katyperry) on Oct 10, 2014 at 1:13am PDT

Justin Bieber was a red power ranger.

A photo posted by Justin Bieber (@justinbieber) on Oct 10, 2014 at 7:53am PDT

Iggy Azalea dress up as "the girls from White Chicks" and she nailed it!

A photo posted by Iggy Azalea (@thenewclassic) on Oct 10, 2014 at 10:20pm PDT

Gamer girls? Models Kendall Jenner and Cara Delevigne went as Mario and Luigi

A photo posted by Cara Delevingne (@caradelevingne) on Nov 11, 2014 at 9:08am PDT

As the reigning Halloween queen, Heidi Klum was a rainbow colored...err, butterfly. It was extremely detailed we can't look away!

A photo posted by Heidi Klum (@heidiklum) on Oct 10, 2014 at 11:43pm PDT