Britney Spears performs during a concert in Moscow, Russia. (AP Photo)
Former Australian cricketer Shane Warne and his fiancee, actress and model Liz Hurley, pose for a picture during a visit to Moscow to take part in an annual charity event to fight breast cancer, according to local media. REUTERS/Anton Romanov
British actress Juno Temple poses for a portrait while promoting the film 'Dirty Girl' in Beverly Hills, California. REUTERS/Danny Moloshok
Spanish co-stars Maria Leon, right, and Inma Cuesta pose during the photo call to promote the film 'La Voz Dormida' (A Sleep Voice), at San Sebastian Film Festival of Cinema in San Sebastian northern Spain. (AP Photo/Alvaro Barrientos)
An inflatable pink pig which was made famous on the sleeve of the 1976 Pink Floyd album 'Animals' flies over Battersea Power Station in London to announce the launch of the reissue and collectors edition of 'Why Pink Floyd....?'. (AP Photo/Joel Ryan)
Director and cast member George Clooney smiles as he arrives for the premiere of his film 'The Ides of March' in New York. REUTERS/Lucas Jackson
Amy Lee of Evanescence performs at the Rock in Rio Music Festival in Rio de Janeiro, Brazil. REUTERS/Ricardo Moraes
Katy Perry performs at the Rock in Rio music festival. (AP Photo/Felipe Dana)
US Derrick Green of Brazilian heavy metal band Sepultura performs during Rock in Rio.(AP Photo/Felipe Dana)
Pamela Anderson, left, dances with Rafael Araneda, host of the Mexican reality show 'La Academia' at Azteca TV studios in Mexico City. (AP Photo/Moises Castillo
