The X Factor 2010 - Black Eyed Peas - The Time (Dirty Bit) - Live Performance

By EMILY SHERIDAN Face off: Mary Byrne (right) was sent home on tonight's X Factor after Simon Cowell chose to save Cher Lloyd following the sing-offCher Lloyd is just through to the final of this year's The X Factor, after Mary Byrne was voted off.Simon Cowell was given the deciding vote after Louis Walsh predictably plumped for his last remaining act Mary, with Dannii Minogue and Cheryl Cole