It was hosted by Kate Thornton and judged by Simon Cowell , Sharon Osbourne and Louis Walsh .
From 29 May -- 5 June 2006 , ITV broadcast a celebrity version of The X Factor in the UK called The X Factor : Battle of the Stars .
UK was hosted by Kate Thornton and judged by Simon Cowell , Sharon Osbourne and Louis Walsh .
From 29 May -- 5 June 2006 , ITV broadcast a celebrity version of The X Factor in the UK called The X Factor : Battle of the Stars .