Recording artist Lady Gaga performs during a stop of The Monster Ball Tour at the MGM Grand Garden Arena March 25, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Sally Singleton attends the UK premiere of Killing Bono held at the Apollo West End on March 28, 2011 in London, England.

General view of the stands in the Atrium during the Big Fashion Wardrobe Spring/Summer fashion and beauty event at Westfield London shopping centre on March 29, 2011 in London, United Kingdom.

Soldiers of the 70th division of the American 7th Army hold up a Nazi flag and a portrait of Adolf Hitler, taken during the World War II capture of Saarbrucken. (Photo by Horace Abrahams/Keystone/Getty Images). 22nd March 1945

Zoee Heath of New South Wales competes in the womens U18 discus throw during day two of the Australian Junior Athletics Championships at Sydney Olympic Park Athletic Centre on March 11, 2011 in Sydney, Australia.

Singer and jury member Brian Ferry attends the Cartier “Travel With Style” Concours on March 12, 2011 in New Delhi, India. (Photo by Pascal Le Segretain/Getty Images for Cartier)

Justin Bieber performs live at the 02 Arena on March 14, 2011 in London, England.

Inductee Alice Cooper poses with a snake in the press room at the 26th annual Rock and Roll Hall of Fame Induction Ceremony at The Waldorf=Astoria on March 14, 2011 in New York City.