Emma Willis hosts the fourth round of this year's blind auditions, with Anne-Marie joining the coaching panel alongside old hands Olly Murs, Tom Jones and Will.i.am. The coaches will be judging tonight's contestants on their voice alone, listening out for that perfect performance that inspires them to spin their chairs.

Emma Willis hosts the penultimate round of this year's blind auditions, with Anne-Marie joining the coaching panel alongside old hands Olly Murs, Tom Jones and Will.i.am. The coaches will be judging tonight's contestants on their voice alone, listening out for that perfect performance that inspires them to spin their chairs.