The daughter of The Mamas and The Papas star John Phillips has revealed she had a long-term sexual relationship with the musician.

In an explosive tell-all book, Mackenzie Phillips says she was drugged and raped by her famous father when she was 19 and went on to engage in a consensual incestuous affair with the 1960s star.

Ms Phillips, now 49, reveals their first sexual encounter happen the night before she married Jeff Sessler, a member of the Rolling Stones entourage.

‘On the eve of my wedding, my father showed up, determined to stop it,’ writes Phillips in her new memoir High on Arrival.
‘I had tons of pills, and Dad had tons of everything too. Eventually I passed out on Dad’s bed.’

‘My father was not a man with boundaries. He was full of love, and he was sick with drugs. I woke up that night from a blackout to find myself having sex with my own father.

‘Had this happened before? I didn’t know. All I can say is it was the first time I was aware of it. For a moment I was in my body, in that horrible truth, and then I slid back into a blackout.’

Ms Phillips, a product of his first marriage to Susan Adams, was a heavy drug user at the time.

She was then a star in her own right in America, appearing on the U.S. sitcom One Day at a Time.

She was eventually fired from the programme and went on to tour with her father when he formed the New Mamas and the Papas.

By that stage she was now a willing participant in their relationship.

She recalls: ‘I was a fragment of a person, and my secret isolated me.

‘One night Dad said, “We could just run away to a country where no one would look down on us. There are countries where this is an accepted practice. Maybe Fiji.”

‘He was completely delusional. No, I thought, we’re going to hell for this.’

Strangely, Ms Phillips now defends the singer, who died in 2001.

‘Don’t hate my father,’ she told America’s People magazine while promoting the book.

John Phillips left behind four other children including Chynna, who featured in the singing group Wilson Phillips and Bijou, a model, actress and Hollywood socialite.

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