Actor George Clooney and girlfriend Sarah Larson arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. The event runs from May 7 to September 1 with an opening red-carpet gala on Monday night that was to include former "Batman" star Clooney and actress Roberts. REUTERS/Keith Bedford (UNITED STATES)