Judges Simon Cowell, Howie Mandel, Mel B, Heidi Klum and Host Nick Cannon set to Return for Season 12 of 'America's Got Talent'
Continuing its momentum of being the #1 broadcast series this summer, as well as drawing more viewers this season than over the last five, NBC's "America's Got Talent" is renewing all four of its judges for season 12 - Simon…