Last Night's Look: Love It or Leave It?We can't stop talking about Jennifer Lopez's floral dress, Cate Blanchett's Valentino cape and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

DUCHESS CATHERINE

The Duchess recycles her second most-famous white gown: a Roland Mouret number with long sleeves and a high slit (she first wore it last year). And the buzz is she's added a $35 Zara necklace (!) to the dress for the Mandela: Long Walk to Freedom premiere in London.