Lily Allen has claimed she had sex with a celebrity friend of her father when she was just 14 years old.
The singer, who makes the revelation in her new autobiography ‘My Thoughts Exactly’, also claims her dad, actor Keith Allen, made a joke about it when he found out.
According to the 33-year-old star, the incident happened after she had watched the unnamed TV star playing in a charity football match.
She recalls [via The Sun]: “After the match, the TV star left his football gear in my dad’s car, and I was dispatched to his hotel to return it.
“We arranged to meet in the bar there. He bought me a couple of drinks, then took me up to his room and had sex with me.
“I was 14. He was 19, but to me he seemed like someone from a different generation.
“Afterwards, I felt funny about it. I knew what had happened wasn’t right…”
She continued: “My dad turned it into a shtick with his friends.
“They made up elaborate schemes to blackmail the guy and they rehearsed how they’d call him up and put the shits up him.
“I just know that my dad turned me having sex with this guy I hardly knew into a joke between him and his mates. That didn’t make me feel good.”
Earlier this week, Lily revealed her father was unhappy with other claims she made about him in her memoir.
Appearing on Saturday’s ‘Jonathan Ross Show’, she tells the host: “I got quite a cross text from him this weekend.
“He texted me, ‘Err cocaine induced heart attack at Glastonbury? Wow.’ And I said, ‘Sorry that’s what I thought…’
“I said, ‘I’m really sorry if I got that wrong but that’s how I remembered it and you never explained it to me in any other way so that’s what I wrote’ and he said, ‘Well that’s not true.’
“And I said, ‘I’m really really sorry if I got that wrong, what was it?’ And he said, ‘Acute food poisoning.’”
She also speaks of her long-standing feud with Cheryl Tweedy, unexpectedly claiming their war of words was born out of sexual frustration, as she was yet to achieve orgasm.
Style Evolution: Lily Allen
Style Evolution: Lily Allen(01 of21)
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2006Lily arrives for the 51st Ivor Novello Awards (credit:PA)
Style Evolution: Lily Allen(02 of21)
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2006Lily Allen performing in the JJB Arena at the V Festival (credit:PA)
Style Evolution: Lily Allen(03 of21)
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2006Lily arriving at the GQ Men of the Year Awards (credit:PA)
Style Evolution: Lily Allen(04 of21)
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2006Lily at It's Pop It's Art chariety signing (credit:PA)
Style Evolution: Lily Allen(05 of21)
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2007Lily arriving at The Brit Awards (credit:PA)
Style Evolution: Lily Allen(06 of21)
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2007Lily Allen at the LG Party in Brick Lane (credit:PA)
Style Evolution: Lily Allen(07 of21)
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2007Lily arriving at the European Premiere of Harry Potter and the Order of the Phoenix (credit:PA)
Style Evolution: Lily Allen(08 of21)
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2007Lily attends The 2007 GQ Men Of The Year Awards (credit:PA)
Style Evolution: Lily Allen(09 of21)
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2007Lily Allen arriving for the British Fashion Awards (credit:PA)
Style Evolution: Lily Allen(10 of21)
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2008Lily arrives for the ELLE Style Awards (credit:PA)
Style Evolution: Lily Allen(11 of21)
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2008Lily arriving at the UK Royal Premiere of The Other Boleyn Girl (credit:PA)
Style Evolution: Lily Allen(12 of21)
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2008Lily arriving at the World Premiere of Flashbacks of a Fool (credit:PA)
Style Evolution: Lily Allen(13 of21)
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2008Lily arriving at The Glamour Women of the Year Awards (credit:PA)
Style Evolution: Lily Allen(14 of21)
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2009Lily posing at the Chanel Fall-Winter 2009-2010 ready-to-wear collection show (credit:PA)
Style Evolution: Lily Allen(15 of21)
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2009Lily arrives at the 2009 GQ Men of the Year Awards (credit:PA)
Style Evolution: Lily Allen(16 of21)
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2010Lily at the BRIT Awards (credit:PA)
Style Evolution: Lily Allen(17 of21)
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2010Lily at the NME Awards (credit:PA)
Style Evolution: Lily Allen(18 of21)
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2011Lily at the Chanel Ready-To-Wear Fall-Winter 2011-2012 fashion show (credit:PA)
Style Evolution: Lily Allen(19 of21)
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2011Lily arriving at the Esquire June Issue Party (credit:PA)
Style Evolution: Lily Allen(20 of21)
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2011Lily and her new husband Sam Cooper on their wedding day (credit:PA)
Style Evolution: Lily Allen(21 of21)
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2012Lily at the Glamour Women of the Year Awards (credit:PA)