Celebrity Central / Top 25 Celebs
Credit: Gregg DeGuire/WireImage
Published: Friday December 28, 2012 11:00 AM EST
More from PEOPLE
See More News
50 of 237
Also at the X Factor finale bash, the show's host tops her flattering all-black ensemble with a leopard jacket and some serious pageant hair.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL