It's the semi-final, but only four of the six remaining hopefuls can make it through to the final as they get some advice from a singing sensation and star of the Mamma Mia! films. [S] S1 Ep7
Zoe Ball hosts as the judges are joined by West End legend and Mamma Mia! leading lady Mazz Murray, and there is also a very special message from a star of the Mamma Mia! films. [S] S1 Ep6
Zoe Ball hosts Choreography Week as judges Alan Carr, Jessie Ware, Samantha Barks and Amber Riley give the ten remaining West End hopefuls five different dance routines to learn. [S] S1 Ep5
Judges Alan Carr, Jessie Ware, Samantha Barks and Amber Riley pair up our Sophies and Skys for the very first time, and there is some shock elimination news for the performers. [S] S1 Ep4