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

RIHANNA

Along with her ever-changing hairstyle, the star makes a statement in her one-shoulder peekaboo lace Stella McCartney gown, Christian Louboutin sandals and Wilfredo Rosado fine jewelry.