Emma Willis hosts the first semi-final, as 12 acts that madeit through the blind auditions and the battle rounds compete toimpress the judges and win a place in the final. Coacheswill.i.am, Tom Jones, Olly Murs and Anne-Marie all return totheir infamous red chairs as the acts they have chosen go headto head and fight for their place on their coach's team. Thesingers that impress their coach the most remain in thecompetition with a chance of winning a recording contract. Willthose that aren't so lucky be stolen by another coach or willthey be going home?
