X Factor supremo may also ditch Sharon Osbourne and Dannii Minogue

Simon Cowell admits that he's obsessed with his looks and is a gym bunny, but he's struggled with a weakness for junk food.

'I am definitely vain,' he says. 'But to be honest with you, I can't think of one person who is on TV who isn't vain. It's the nature of the beast. I work out a lot.'

Until recently, he did allow himself a few 'poisonous' treats but they've had to go.

'I'm eating a lot better, a lot healthier food, and have cut out the chocolate biscuits and crisps,' he tells Star. 'I take care of myself.'


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