Sharon Osbourne is fuming over Simon Cowell's failure to support her 'X Factor' contestant Sam Bailey.
The 61-year-old judge is reportedly angry that the show's boss doesn't seem to want her protege to win, instead preferring Tamera Foster.
Speaking to the Sunday People newspaper, a source said: "She's so frustrated and cross with Simon.
"She knows he doesn't want Sam to win. Sharon reckons he thinks she's to old to be marketable. It's so annoying for Sharon."
The 54-year-old media mogul apparently doesn't see a lucrative future for the 36-year-old prison officer and he is said to be set on offering Tamera a record deal even though she's forgotten her lyrics on a number of occasions.
An insider added: "Tamera is undoubtedly his favourite. He thinks she has got it all and is seriously considering giving her a recording contract."
However, it was previously reported Simon "hates" that she has repeatedly fluffed her lines and has brought in a hypnotist in an effort to help her remember them in the future.
A source recently said: "As far as Simon is concerned, Tamera is the star and she can have whatever special treatment she needs.
"He hates the fact she's been forgetting her lines as it's so unprofessional."
Tagged in The X Factor Sharon Osbourne Simon Cowell Sam Bailey