America's Got Talent: The fourth group of 12 acts perform in order to show the audience that they deserve to move on to the next round.
Nick Cannon, David Hasselhoff, Howie Mandel, Tyra Banks, Simon Cowell, Terry Crews, Gabrielle Union, Regis Philbin, Julianne Hough, Heidi Klum, Brandy Norwood, 6 more, Mel B, Sharon Osbourne, Jerry Springer, Piers Morgan, SofÃa Vergara, Howard Stern
Music