The X Factor UK S2, E18

British singing competition in which contestants sing cover songs to try and impress judges and voting viewers.

Cast:Louis Walsh , Simon Cowell , Dermot O'Leary , Sharon Osbourne , Peter Dickson , Cheryl , Nicole Scherzinger , Dannii Minogue , Gary Barlow , Kate Thornton , Tulisa , Olly Murs , Brian Friedman , Mel B , Caroline Flack , Alexandra Burke , Leona Lewis , One Direction