Mary Byrne - Never Can Say Goodbye - The X Factor - Live Semi-Final
Mary Byrne sings Never Can Say Goodbye on The X Factor Live Semi-Final
Oooh. Disco!
Louis Walsh: You sung your heart out.
Dannii Minogue: Mary has her mojo back!
Cheryl Cole: I like to see you in your comfort zone.
Simon Cowell: I think this was a scene out of Louis' bedroom.
Watch the video here: