<Tr> <Td_colspan="2"> <Ul> <Li> ◀ </Li> <Li> 2012 </Li> <Li> ▶ </Li> </Ul> </Td> </Tr> <Ul> <Li> ◀ </Li> <Li> 2012 </Li> <Li> ▶ </Li> </Ul> <P> Season seven of America's Got Talent, a reality television series, premiered on May 14, 2012 . Sharon Osbourne and Howie Mandel returned as judges . Judge Piers Morgan left the show after season six and was replaced by radio personality Howard Stern, as announced on his Sirius XM radio show on December 15, 2011 . Because of Stern's commitments to his radio program, the live (post-Las Vegas) episodes moved from Los Angeles to the New Jersey Performing Arts Center in Newark, New Jersey . The season ended on September 13, 2012, with Olate Dogs announced as the winners of the season . This was Sharon Osbourne's final season . </P> <P> Producers' auditions were held in New York, Los Angeles, Washington, D.C., Tampa Bay, Charlotte, Austin, St. Louis, and San Francisco . </P>

Who won america's got talent 2012 season 7