Simon Cowell says Demi Lovato is a bit 'bitchy and unpleasant'

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Simon Cowell has described his fellow X Factor USA judge Demi Lovato as “bitchy and unpleasant”.

Demi only had one act left in the singing competition this week and things got heated when the pair kept clashing on the panel.

Simon implied the new judge may have been intentionally giving his groups the wrong advice to save her act CeCe Frey.

But the 21-year-old was booted off the show on Thursday.

He told Us Weekly about Demi: "She knew that she was about to be left with no one and it did get a bit bitchy and unpleasant. I've got to look after my artists. Luckily, they didn't listen to her."

At the X Factor viewing party, the 53-year-old boss refused to say if the former Disney star will return as a judge in season 3.

He teased: "It's that time of year. You're always going to get asked that question, and I'm not going to answer it. She's fun. She really, really is tough little thing. I know she plays the 'I've been bullied' [card]. Trust me, this one gives as good as she gets."

PHOTOS: Britney Spears, Demi Lovato, Simon Cowell And More Glam Up For X Factor US Viewing Party In Los Angeles

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