American Idol: It's the first of 4 Semi-final groups: Performers tonight are: Bettis Richardson Charles Grigsby J.D. Adams Julia DeMato Kimberly Caldwell Lashundra Cobbins Meosha Denton Patrick Forton

Starring:

Jennifer Lopez, Ellen DeGeneres, Mariah Carey, Steven Tyler, Katy Perry, Paula Abdul, Simon Cowell, Ryan Seacrest, Lionel Richie, Carrie Underwood, Keith Urban, 7 more, Nicki Minaj, Luke Bryan, Randy Jackson, Harry Connick, Jr., Bobby Bones, Brian Dunkleman, Kara DioGuardi

Genre:

Music