Last Night's Look: Love it or Leave it?Check out the head-turning outfits Kim Kardashian, Duchess Catherine and more stars were just spotted in! Then decide – fabulous or fashion fail!

  • BRITNEY SPEARS photo | Britney Spears

Credit: Giulio Marcocchi/Sipa

Updated: Saturday Sep 15, 2012 | 06:00 AM EDT

BRITNEY SPEARS

Though co-judge Simon Cowell says Britney is "quite mean" on The X Factor, she looks awfully sweet in this blue sheath featuring an oversize orange paisley print at the show's premiere in L.A.