America's Got Talent 'America's Got Talent' reveals four additional seventh-season semifinalists 08/16/2012 America's Got Talent determined four additional seventh-season semifinalist acts during Wednesday night's live broadcast of the NBC reality competition series. Read More RELATED NEWS Sharon Osbourne on reconciliation with Ozzy Osbourne: I forgive him, but he's a dirty dog and will pay!Sharon Osbourne loses tooth while co-hosting 'The Talk' live on TVHeidi Klum reportedly joining 'America's Got Talent' as fourth judge TAGS: America's Got Talent Howie Mandel Sharon Osbourne Howard Stern Nick Cannon