Four vocal gladiators, spanning all music genres, have been chosen and begin the fight to defend their coveted seats in front of a panel of industry experts.

Cast: Fergie, Sean 'Diddy' Combs, DJ Khaled, Meghan Trainor, Rebecca Black, Christina Castle, Quinton Ellis, James Graham, Sharaya J., Carvena Jones, Majeste Pearson, Chris Vanny, Stephanie Zelaya