Paul McCartney's ex-wife Heather Mills has shot down rumors she is writing a semi-autobiographical novel, insisting her focus is on mending her broken heart following the break-up of her marriage.

Mills was said to have been planning to draw on her life experiences to write a novel about a model who marries a global superstar. However the 40-year-old, who received a $50 million settlement from McCartney in March, claims there is no such book in the pipeline.

She tells People.com, "These book rumors are nonsense. I am trying to move on, spend time with my daughter and get on with my charitable work. It's been a terrible period for everyone." And Mills was also quick to deny tabloid reports she was recently dropped from the line-up of Donald Trump's hit reality TV show Celebrity Apprentice because she had demanded a place in the final round.

She adds: "These rumors are rubbish. Donald asked me to go on the show months ago and I was flattered, but I declined immediately because I have commitments to my daughter, Beatrice, in the U.K., which wouldn't have allowed me three months to appear on the show. We never got close to the contract stage."

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(This news article provided by World Entertainment News Network)