THE BEST OF SEASON 9 AUDITIONS Celebrity judges Howie Mandel, Mel B, Heidi Klum and Howard Stern revisit their favorite auditions from season 9, including never-before-seen interviews, behind-the-scenes fun and a sneak peek at Judgment Week. Nick Cannon hosts this top-rated summer series which features a colorful array of hopeful future stars as they compete for a chance to perform at the famed Radio City Music Hall and win the $1 million prize.