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.
Colton Haynes Halloween Costume
Colton Haynes may have just won Halloween. The actor is dressed up here as Ursula from The Little Mermaid.
Nicki Minaj as a Fairy
Nicki Minaj went out for Halloween as a fairy in 2015. Not just any fairy; a SEXY fairy, of course.
Kylie Jenner's Sexy Halloween Costume
Kylie Jenner dressed up as a warrior princess for Halloween 2015, flanked by her "ninaj squad."
Kim Kardashian Dresses Like Herself For Halloween
Kim Kardashian donned a bespoke Givenchy gown for Halloween 2015, which the reality star first wore to the 2013 Met Gala.
Beyonce and Jay Z
One of the world's most famous couples went as characters from one of the big screen's best comedies. And even Blue Ivy got into the Coming to America spirit!
She Dropped the Mic
Literally. Mad props to Katy Perry for this creative idea.
Gwyneth and Apple
Gwyneth Paltrow and daughter Apple were matching skeletons.
A League of Her Own
Can you pick out Miranda Lambert from within this group? She always has been in a league of her own!
Taraji P Henson is the sexiest cat we've seen in quite some time.
A Prince Among Men
LeBron James can win NBA titles AND pull off an amazing Prince costume.
Kaitlyn Bristowe and Shawn Booth
We're not entirely sure what betrothed couple Kaitlyn Bristowe and Shawn Booth are dressed as. But they're cute!
Who Missed the Memo?
Josh Duhamel appears to have not been informed of the theme his rest of the family was taken on for Halloween.
Jessica Simpson and Eric Johnson aren't known for being funny. But they are dressed here as characters from Vacation and we're blown away.
High School Musical Reunion!
OMG!!!! It's Ashley Tisdale, Vanessa Hudgens, Monique Coleman, Corbin Bleu and his fiance. All in one place!
This is Awesome
Viola Davis is dressed as her famous mother. We love it!