America's Got Talent 'America's Got Talent' determines next four sixth-season semifinalists 07/21/2011 America's Got Talent revealed its next four sixth-season semifinalist acts during Wednesday night's live broadcast of the NBC reality competition series. Read More RELATED NEWS Sharon Osbourne and Lady Gaga in online feud over Kelly Osbourne'America's Got Talent' singer Timothy Michael Poe "never intended to hurt anyone" with military claimsSharon Osbourne: New 'America's Got Talent' judge Howard Stern "a lot of fun" TAGS: America's Got Talent Howie Mandel Piers Morgan Sharon Osbourne Nick Cannon