(L-R) Ozzy Osbourne and son, producer Jack Osbourne visit the Tribeca Film Festival 2011 portrait studio on April 25, 2011 in New York City. (Photo by Larry Busacca/Getty Images for Tribeca Film Festival)

Dancers perform at fuse's LadyGagaThon at fuse Studios on May 23, 2011 in New York City. (Photo by Cindy Ord/Getty Images)

A Russian trenchmortar crew run to take up a new firing position in the Stalingrad area during the Great Patriotic War. (Photo by Keystone/Getty Images). October 1942

The new Batmobile designed by Gordon Murray to be used in the live stage production of Batman Live World Arena Tour is unveiled for the first time at LH2 Studios on June 15, 2011 in London, England. (Photo by Gareth Cattermole/Getty Images)

A New York window cleaner strapped to the side of The RCA Building in the Rockefeller Center, with St Patrick's Cathedral below him to the left. (Photo by William Lovelace/Express/Getty Images). 2nd May 1961

Singer Selena Gomez performs at the PNC Bank Arts Center on August 20, 2011 in Holmdel, New Jersey. (Photo by Michael Loccisano/Getty Images)

Christopher Walken, Angelo Galasso and Clint Eastwood attend the premiere of Jersey Boys in New York June 9, 2014. REUTERS/Andrew Kelly