Last Night's Look: Hit or Miss?

Vote on this week's styles including Kate Hudson, Jessica Biel, Jennifer Garner and more stars! You decide – are they fashionistas or flops?

CAMERON DIAZ

The star sticks to her signature casual chic in wide-leg Stella McCartney black slacks, Giambattista Valli cream wrap top, Alexis Bittar cuff and Jimmy Choo clutch at the NRDC 20th anniversary celebration in Los Angeles.