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.
Miley? Paris Hilton dressed up as the "We Can't Stop" singer by wearing the costume Cyrus donned during her controversial 2013 Video Music Awards performance in August. The socialite took it one step further with Cyrus' tongue trademark as she attended the Playboy Mansion Halloween Party in Beverly Hills, Calif., on Saturday, Oct. 26.