The Wanted, from left, Siva Kaneswaran,Tom Parker, Nathan Sykes, Max George and Jay McGuiness perform at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
CORRECTS POSITIONS - The Wanted, from left, Siva Kaneswaran,Tom Parker, Nathan Sykes, Max George and Jay McGuiness perform at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
Col. Tom Parker (upper left) and Sharon Osbourne are just two notable managers. (Photos: Associated Press)
