Due to a severe case of tonsillitis, Leona Lewis has been told that she may not b able to perform on Saturday nights show.

A show insider has informed The Mirror that Leona has not been able to sing all week and is nervous about her performance on saturday.

The source added: ‘We are all just begging it improves over the next 48 hours.’

Is it a ploy to make sure she lasts another week….you never know with Simon Cowell.