Demi Lovato 'Glee' Casting RUMORS: 'X Factor' Judge to Appear on Musical Show's Fifth Season? Character 'Dani' Will Perform Frequently with Guest Star Adam Lambert

Rumors are swirling that "The X Factor" won't be Demi Lovato's only appearance on Fox this fall. According to TV Line, the singer/actress is set to join the cast of "Glee" in a six-episode arc for the show's upcoming fifth season. Read More »