Katy Perry For X Factor
The California Gurls singer will be the next guest judge...
Smile singer Lily Allen has denied any involvement in the show, claiming 'it's not the sort of thing she would do.'
Meanwhile in other Katy Perry related news, the Russell Brand after he joked live on-air that Perry 'physically abuses' him.
Brand made the gag live on Get Him To The Greek actor claimed: "When she gets angry she punches me hard in the stomach. I have to pretend it doesn't hurt but it does."