Howard Stern, Howie Mandel, Nick Cannon, and Sharon Osbourne in America's Got Talent (2006)

Howie Mandel in America's Got Talent (2006)

Nick Cannon in America's Got Talent (2006)

Ekaterina Pirogovskaya in America's Got Talent (2006)

Jackie Evancho in America's Got Talent (2006)

Darci Lynne Farmer performs at the Season 12 audition for "America's Got Talent" at the Pasadena Civic Auditorium in Pasadena, Ca.

Sharon Osbourne in America's Got Talent (2006)

Howard Stern in America's Got Talent (2006)

Heidi Klum, Howie Mandel, Sofía Vergara, Terry Crews, and Simon Cowell in America's Got Talent (2006)

Julianne Hough in America's Got Talent (2006)

Marina Mazepa in America's Got Talent (2006)