Not sure which is more impressive, the awesome costume or the fact that this celebrity is showing up to Halloween on a horse. Who was brave enough to pull this off?
This costume is giving us a major sweet tooth! Which celeb dressed up as a character from the timeless board game Candyland?
This starlet did an impressive job of channeling Monster High's Frankie Stein for a party. Can you guess who is underneath all that costume makeup?
Which sexy star is behind this Queen of Hearts costume?
This Hollywood couple put on a spooky version of this deathly costume–who are they?
If you know pop culture, you know who wore this controversial costume—take your guesses now!
Which super-hot actor stepped out in this gory getup? Bet you can't guess who it is!
Nothing was left to imagination here with this Visible Woman costume. Which celebrity sent shivers with this look?
Now this is an eclectic group! Can you figure out who took one for the team and wore the gorilla suit, though?
MORE PHOTOS: Stars' Halloween Instagrams