Last Night's Look: Hit or Miss?

Check out the head-turning outfits Ashlee Simpson, Rihanna and more stars were just spotted in! Then decide – fabulous or fashion fail?

OLIVIA WILDE

Leaving beau Jason Sudekis back in the States, the actress dazzles at London's Jameson Empire Awards in a micro-dot Carolina Herrera gown with a jeweled neckline and waist.