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.
What a spooky lot! Matthew McConaughey's beautiful wife Camila Alves got into the holiday spirit on Oct. 31, 2013, dressing as a skeleton with full face paint while taking children Levi, Vida, and Livingston out for some candy in Malibu, Calif.