Stars studded at the Metropolitan Museum of Art Costume Institute Benefit

Actress Kristen Stewart arrives at the Metropolitan Museum of Art Costume Institute Benefit celebrating the opening of Alexander McQueen: Savage Beauty, in New York, May 2, 2011.[Photo/Agencies]

Actress Kristen Stewart (R) and New York City Mayor Michael Bloomberg (background) arrive at the Metropolitan Museum of Art Costume Institute Benefit celebrating the opening of Alexander McQueen: Savage Beauty, in New York May 2, 2011.[Photo/Agencies]