Coaches will.i.am, Jennifer Hudson, Sir Tom Jones and Olly Murs return to the infamous red chairs for the fourth instalment of the Blind Auditions. Their quest is to find the next singing superstar, but can the auditioning acts give the performance of their lives, secure a chair turn and a coveted place on a coach's team?

It's the penultimate week of Blind Auditions and coaches will.i.am, Jennifer Hudson, Sir Tom Jones and Olly Murs are back in their red chairs looking for the nation's best vocal talent. The auditionees must make the coaches turn in their chairs by impressing them with their vocals and earning a coveted place on one of the coaches' teams. The acts will be singing for their chance to win a recording contract with Polydor Records.