America's Got Talent: Simon Cowell casts deciding vote to send singer Victory Brinker to finals

'America's Got Talent': Surprising Semifinals Results Show Reveals the Last Acts Moving on to the Finals

America's Got Talent: Simon Cowell smacks his buzzer against three acts as 11 semifinalists perform

Sofia Vergara and co-judge Heidi Klum hit the red carpet ahead of America's Got Talent