Scott Disick as Patrick Bateman from "American Psycho"
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Ryan Seacrest and Juliane Hough as Bonnie and Clyde
2 / 24
Jimmy Fallon as Fit Mitt Romney
3 / 24
Kim Kardashian and Kanye West as Mermaid and Sailor
4 / 24
Kat Dennings as a Vampire
5 / 24
Nicole Richie and a Gaggle of Girl Scouts
6 / 24
Rachel Zoe as a Flapper and Her Husband's Next Meal
7 / 24
Paris Hilton as Sexy for Sexy's Sake
8 / 24
Christina Milian as The Queen of Hearts
9 / 24
Fergie and Josh Duhamel as Fame-Whores
10 / 24
Christina Aguilera as Who Knows?!
11 / 24
Angelina Jolie as Mulit-Tasking Mommy
12 / 24
Busy Philipps and hubby as Stevie Nicks and Lindsay Buckingham
13 / 24
Chloe Grace Moretz
14 / 24
Chord Overstreet makes for a pretty convincing Brad Pitt
15 / 24
Christina Milian looking a bit blood thirsty
16 / 24
Deryck Whibley and his girlfriend as his ex-wife Avril Lavigne and her new fiance Chad Kroeger. Awkward!
17 / 24
Ellen DeGeneres as Sofia Vergaga. Hilarious!
18 / 24
Jessica Simpson (and her bangin body), fiance Eric Johnson, and little Maxwell looking adorbs as a little chicken.
19 / 24
Jessica Alaba and Fam as The Incredibles
20 / 24
Mariah Carey and her little ones as Goldilocks and the Three Bears. Awwwwwww
21 / 24
Miley Cyrus as Nicki Minaj
22 / 24
The winning costume in my book: Emma Roberts as her famous Aunt Julia Roberts' charachter in Pretty Woman.
23 / 24
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