Paloma Faith and Cerys Matthews will be amongst the mentors joining The Voice UK for the battle round stages later this month, it has been revealed.
Following the blind auditions, each of the four coaches will bring in help to prepare their acts for the battles, which will whittle down the contestants by half.
The Script's Danny O'Donoghue will team up with Paloma Faith, while sir Tom Jones has called on former I'm A Celeb star and ex-Catatonia singer Cerys Matthews.
Jessie J will be joined by Scissor Sisters singer Ana Matronic, and will.i.am has teamed up with long time pal Dante Santiago, who will was in a band with in the 90s.
The battle rounds will see each of the coaches pitch two singers in their teams against one another, with both performing the same song at the same time.
In each pair, the coaches will have to decide which singer to keep and which to send home.
By the end of the process, each coach will have five acts who they will take through to the live shows, which start at the end of this month.