Last Night's Look: Love It or Leave It?Check out the head-turning outfits Britney Spears, Kate Hudson and more stars were just spotted in! Then decide – fabulous or fashion fail!

KATE HUDSON

With its plunging neckline, electric hue and killer fit, Kate's Prabal Gurung gown (worn with a Loree Rodkin necklace and Brian Atwood heels) is quite the traffic-stopper – and we're guessing that's just what she did at the amfAR gala in L.A.