Last Night's Look: Hit or Miss?

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

29 of 34

BEYONCÉ

The singer rubs shoulders with the fashion elite in one of summer's biggest trends, going for a sharp-shouldered look in London with a white blazer paired with super-skinny denim leggings and platinum accessories.