It's the third and final instalment of the Battles! Coaches will.i.am, Jennifer Hudson, SIr Tom Jones and Olly Murs return to the iconic red chairs as their acts battle head to head to keep a place on their coach's team.

Emma Willis hosts the return of the spinning-chair singing contest, with Anne-Marie Olly Murs, Tom Jones and Will.i.am on the coaching panel once again. In the opening edition the four mentors will be selecting their teams through blind auditions, where looks play no part in the selection process and each singer is chosen on vocal ability alone

Hopeful artists face the blind auditions, and the four coaches give a group performance.

The coaches battle it out to win over the most outstanding voices for their team.

Holly Willoughby and Reggie Yates host the penultimate round of blind auditions.

Holly Willoughby and Reggie Yates host the final round of blind auditions.

Holly Willoughby and Reggie Yates host the first of a two part battles stage.

Holly Willoughby and Reggie Yates host as the battles stage continues.

Team Tom and Team Will take each of their artists centre stage.

Sir Tom Jones and will.i.am have to say goodbye to one artist from each of their teams.

Danny O'Donoghue and Jessie J send each of their five artists into the spotlight.

Danny O'Donoghue and Jessie J must say goodbye to one artist from each of their teams.

will.i.am and Sir Tom Jones send their remaining four artists into the spotlight.

Sir Tom Jones and will.i.am must say goodbye to two artists from each of their teams.

Artists from Team Danny and Team Jessie deliver solo performances.

Coaches Danny O'Donoghue and Jessie J must say goodbye to two artists from each team.

The remaining eight contestants battle it out for a place in the final.

It is the eliminations again and at stake is a place in The Voice UK live final.

Each coach takes one artist into the final in a bid to win the public vote.

Hopeful artists face the blind auditions, and the four coaches give a group performance.

Holly Willoughby and Reggie Yates return to present the next set of blind auditions.

Sir Tom Jones, will.i.am, Danny O'Donoghue and Jessie J continue to build their teams.

Sir Tom Jones, will.i.am, Danny O'Donoghue and Jessie J continue to build their teams.

Holly Willoughby and Reggie Yates host the penultimate round of blind auditions.

Holly Willoughby and Reggie Yates host the final round of blind auditions.