Stars: Alan Carr, Danny Dyer, Bob Mortimer, Ellie White, Romesh Ranganathan
The Jimmy Carr Challenge pits Britain's top ten comedians against each other: they have to make others laugh, while not laughing themselves. They will do anything to defeat their opponents, but they must not give in to laughter...
Stars: Nicole Scherzinger, Gary Barlow, Simon Cowell, Leona Lewis, Louis Walsh
The X Factor UK is a singing competition that replaced the country's old competition, Pop Idol. This competition was produced by Simon Cowell and his company, Syco TV, and was held in more than 30 other countries besides England.
