Beyonce went as an X-Men character.
Colton Haynes went as a very famous fictional (half) woman.
Heidi Klum went as a sexy cartoon figure and Kim Kardashian went as ... herself?!?
Which celebrity donned the best Halloween costume in 2015? Scroll down, scroll around and weigh in below!
Rock Out, Guns Out
It is very safe to say that The Rock eats a lot of spinach, huh? He could probably take Popeye in an actual fight.
He's Done It Again
Neil Patrick Harris, his husband and their two kids win Halloween nearly every year. This year was no exception.
Beyonce as Storm
Looking good, Beyonce! The singer is dressed up as Storm from X-Men in this photo from Ciara's birthday party.
Ashley Benson as Cecil the Lion
Ashley Benson is dressed up here as Cecil the Lion. She has received a lot of flak for the outfit.
Heidi Klum as Jessica Rabbit
Heidi Klum has done it again! She went out for Halloween as Jessica Rabbit in 2015. Amazing!
Kourtney Kardashian for Halloween
It's a bird... it's a plane... it's Kourtney Kardashian and her kids dressed as superheroes for Halloween.