Last Night's Look: Love It or Leave It?We can't stop talking about Kim Kardashian's abs-baring dress, Duchess Catherine's Jenny Packham gown and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

KATE BECKINSALE

She may be at the Pink Party, but Kate opts for a red-hot draped Donna Karan dress, which she accessorizes with black-and-gold Casadei sandals and a Jimmy Choo clutch in Santa Monica, Calif.