Khloe Kardashian is the new girl on "The X Factor," but she's already making a play to become the best-dressed woman on the show! On Monday night, she and one of the show's judges, Britney Spears, donned strikingly similar frocks when they attended the bash for the singing competition's finalists at The Bazaar restaurant inside the SLS Hotel in L.A. Both ladies chose a simple LBD with minimal accessories as they mingled with other personalities from the show, such as Mario Lopez, L.A. Reid, and Demi Lovato, who wisely sported red for the occasion. It's time for a special "X Factor" edition of ... who wore it best?!