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.
Pregnant with her third child, singer Gwen Stefani donned a black wig and white gown while taking her kids trick-or-treating with hubby Gavin Rossdale in Los Angeles on Oct. 31, 2013.
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