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.
HIllary Duff and Mike Comrie
Hilary Duff held hands with her hubby Mike Comrie as they made their way into the Casamigos Halloween Party in Beverly Hills, Calif., at the home of Mike Meldman on Friday, Oct. 25. The mother of baby Luca dressed as an adorable mouse as the former hockey player went as a doctor.