Last Night's Look: Hit or Miss?

Vote on this week's styles including Eva Longoria Parker, Beyoncé and more stars! You decide – are they fashionistas or flops?

ALICIA KEYS

After rocking out with Jay-Z at Yankee Stadium, the singer gets all dressed up in an iridescent, green chiffon Kaufman Franco gown, matching clutch and gem-stone statement necklace for the Latin Grammy Awards in Las Vegas.