详细介绍：The fifth season of America's Got Talent, an Ameri…The fifth season of America's Got Talent, an American television reality show talent competition, premiered in the United States on the NBC network and on Canada's Global on June 1, 2010. Soul singer Michael Grimm was named the winner on September 15, 2010, beating 10-year-old classical crossover singer Jackie Evancho.详情