Celebrity·Posted on Nov 1, 2012The Best And Worst Celebrity Halloween Costumes Of 2012Ranked from the adorable to the absurd.by Whitney JeffersonBuzzFeed StaffLinkFacebookPinterestTwitterMail The Rock Katy Perry and Shannon Woodward Diddy Miley Cyrus Patton Oswalt Hillary Duff Deryck Whibley Fergie and Josh Duhamel Simon Pegg Shenae Grimes Ellen DeGeneres Matthew Morrison Scott Disick Liam Payne Sandra Bullock Lauren Conrad Alyson Hannigan Kate Moss Jessica Alba Harrison Ford and Callista Flockhart J-Woww and Roger Jessica Simpson Neil Patrick Harris Gwen Stefani Gavin Rossdale Mariah Carey and Nick Cannon Ryan Seacrest and Julianne Hough Aziz Ansari Courtney Cox, Laura Dern & Natalie Maines Ed Norton Adrien Grenier Craig Robinson Hugh Hefner Neil Patrick Harris Courtney Stodden Paris Hilton LeAnn Rimes Kim Kardashian Jenny McCarthy Emma Roberts Jennifer Lopez Rose McGowan Kelsey Grammer Kristen Stewart and Robert Pattinson Lindsay Lohan Tim Burton and Helena Bonham Carter Pete Wentz Padma Lakshmi Lea Michelle Sky Blu Rachel Zoe David Spade Dustin Hoffman Christina Aguilera Chris Colfer Hosts of "The Talk" Lance Bass Ricki Lake Sacha Baron Cohen Isla Fischer Lucy Hale Seal Kathy Griffin Chris Brown