Celeb Fashion Hit or Miss?

Vote on this week's styles including Mary-Kate Olsen, Reese Witherspoon and more stars! You decide – are they fashionistas or flops?

EVA MENDES

The actress is elegant in her retro-inspired, off-the-shoulder Luisa Beccaria cocktail dress, Stella McCartney heels and Bulgari jewels for a party celebrating her film The Spirit in Madrid.