The search for a new music superstar continues with the fourth of the Auditions shows

Cast: Dermot O'Leary, Simon Cowell, Louis Tomlinson, Ayda Field, Robbie Williams, Tre Amici, Scarlett Lee, Tommy Ludford, Athina Manoukian, Kiki Piesare, Roy Robson, Ollie Swain, Burgandy Williams