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 BOSWORTH

Who needs a disco ball? Just put Kate in the middle of the dance floor at this Sydney SK-II event, and her glittery Stella McCartney rainbow-sequin tube dress will get the party started.