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.
Slash and Axl Rose in the house! The supermodel and her husband Rande Gerber went as the former Guns N' Roses bandmates to celebrate Halloween at the Casamigos Halloween Party in Beverly Hills, Calif., on Friday, Oct. 25.