Last Night's Look: Hit or Miss?

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

CAMERON DIAZ

She may play a Bad Teacher, but the actress proves she's a good dresser in her Elizabeth and James blazer, Alexander McQueen belt, mini and Lanvin heels at a photocall for CinemaCon in Las Vegas.