Katy Perry And John Mayer To Join X Factor Judging Panel?

Simon Cowell has reportedly reached out to Katy Perry and John Mayer to join the judges' table on X Factor USA.

"Simon sees it as a brilliant pairing," Now quotes a source as saying. "Katy's sassy, honest and a huge star, while John's more reserved. Having them as rivals would be genius - if they had on-air bust-ups, it'd be unmissable."

Perry has previously appeared on the X Factor as a guest judge, but has continuously turned down offers for a full time role since then.

"People have reached out to me about the possibility of being involved [in reality shows] and I think that it's not right for me right now," Perry told the Hollywood Reporter last year. "It's a real commitment to be on one of those shows."

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