Howie Mandel, Mel B, Simon Cowell and Sofia Vergara on the set of "AGT" during the "America's Got Talent" semifinals. "AGT" revealed the Season 20 winner on Sept. 24. | NBC The top 10 on “America’s ...

Simon, Howie, Sofia and Mel reveal their most unforgettable golden buzzer moments in a new episode of “America’s Got Talent,” airing on Tuesday, July 22. Undiscovered talent of all ages — singers, ...