Plot: This week, a new set of determined challengers face off against The Four in front of a panel of industry experts: Grammy® Award-winning musician, record producer and songwriter Sean "Diddy" Combs, record-producing hitmaker DJ Khaled and Grammy-winning recording artist and songwriter Meghan Trainor. Eight-time Grammy® Award-winning and multi-Platinum solo artist Fergie, will guide the contestants, while they battle it out against new artists determined to win their seat in the competition