<P> Season eight of the reality competition series America's Got Talent premiered on June 4, 2013, and ended on September 18, 2013 . Judges Howie Mandel and Howard Stern returned for their respective fourth and second season . Sharon Osbourne was replaced by Mel B following her departure after six seasons on the show, while Heidi Klum became the fourth judge . </P> <P> Snapple continues to be the official beverage sponsor of America's Got Talent and their products are featured on the show throughout the season, along with their cups on the judges' desk . </P> <P> America's Got Talent shot their live shows from Radio City Music Hall in New York, after moving from the New Jersey Performing Arts Center last year . The 2013 winner was Kenichi Ebina, the first mime and the first foreign act to win the competition . The runner - up was comedian Taylor Williamson and singer / guitarist Jimmy Rose announced in third place . </P> <P> Sharon Osbourne initially stated that she would not return for season eight, but later said that she was staying with the show "for now ." Osbourne confirmed that she would be leaving the show after a feud with NBC on August 6, 2012 . Following her departure, Osbourne returned to The X Factor judging panel after Tulisa Contostavlos announced she would not return . It was reported that Simon Cowell had wanted Carmen Electra to replace Osbourne . On November 29, 2012, Nick Cannon officially signed on with the network to host the show once again . On December 3, 2012, Howard Stern announced on his radio show that he would be returning for season eight . On February 12, 2013, Howie Mandel announced on Access Hollywood that he would be returning for another season on the show . </P>

Who won the 2013 america's got talent