Bieber Fever hits London as Justin hits on Cheryl Cole live on the X Factor

He's one of the biggest popstars in the world, so who could blame Justin Bieber for grasping the chance to chat up Cheryl Cole whilst live on the X Factor last night - despite the 11 year age gap?Justin, 16, had just performed a mash-up of tracks Somebody To Love and Baby on the results show - though he mimed throughout to concentrate on his smooth dance moves.As he finished, he was joined