Cheryl Cole has been told to stop smoking - or stub out any chance of cracking America.
The pop star is trying to land a US X Factor judging job, has spent weeks working with a voice coach to improve her speech.
But her voice coach has told Cheryl, 27, to kick her 20-a-day habit if she wants any chance of cracking America, according to The Sun today.
A source told the paper: 'Cheryl's teacher has advised her to stop smoking.
'But she says the move to LA and X Factor job is stressful enough without having to try and quit the cigs on top.
