Last Night's Look: Hit or Miss?

Vote on this week's styles, including Kristin Cavallari, Cameron Diaz and more stars! You decide – are they fashionistas or flops?

REESE WITHERSOON

Getting a taste of royal fever, the Oscar winner wears a sweet strawberry Hanii Y sheath and gold accessories to meet Catherine, Duchess of Cambridge, at a Tusk Trust event in L.A.