It's that time again! Some of the biggest names in Hollywood stepped out to celebrate Halloween 2013, dressed as film characters, other A-listers, comic superheroes and much more! Check out some stars -- including Hilary Duff, Vanessa Hudgens and John Stamos -- who went the extra mile to get decked out for some of the biggest Halloween parties of the season.
Coco and Ice-T
Clashing couple? For Heidi Klum's 14th Annual Halloween Party on Oct. 31, 2013, reality TV star Coco went for a sexy schoolgirl outfit, while Ice-T went in the opposite direction, covering up in undercover ops garb.
Credit: Cindy Ord/Getty Images for Heidi Klum