Louis Walsh stands in for Simon Cowell on US X Factor
Judge drafted in at eleventh hour
LOUIS Walsh has been drafted in as a last-minute replacement for Simon Cowell on the US X Factor.
The Irishman was flown out to the US to take over from Simon after he became ill with bronchitis.
Louis Walsh will appear on the US X Factor alongside judges Britney Spears, Demi Lovato and LA Reid.