2011 Metropolitan Museum Costume Institute GalaHollywood's hottest – including Jennifer Lopez, Sarah Jessica Parker, Beyoncé – turned out to fête late, great designer Alexander McQueen


The fashion darling steps out in a slim-fitting, slit-to-there Jason Wu number with a floral embellished top that required 500 hours of hand embroidery, Jimmy Choo bag and Van Cleef & Arpels jewelry – plus a little arm candy in the form of her beau Joshua Jackson (not pictured).