This pop star is completely unrecognizable beneath a ghost sheet.
This Halloween lover has really taken things to a new level with her butterfly costume!
We bet you can't guess which Grammy winner is beneath this Dia de los Muertos-inspired costume!
This TV hottie sure knows how to turn heads!
Which starlet channeled her dark side in this creepy costume?
This terrifying costume will haunt you in your sleep! Can you guess which star made this unbelievable transformation?
Who invited grandma to the party? You'll never figure out who transformed themselves for this costume!
Marriage is scary, but we didn't realize it could be this deadly! Can you guess who this spooky bride and groom are?
There was plenty of monkeying around in this costume! Can you guess the celeb behind the get up?
This not-so-funny clown is here to trick the treats right out of you. Which celeb dressed up as everyone's worst nightmare?
Which star decided to channel Christian Bale's creepy, on-screen character for Halloween?
This frigtening remake of Nightmare Before Christmas couldn't be any more perfect, but which celebrity is behind the creation?