Chynna Phillips Confirms Mackenzie Phillips Affair

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In her new memoir, actress Mackenzie Phillips scandalously and disturbingly reveals that she had a 10-year affair with her father, musician John Phillips.

It's an outrageous claim, but likely (and sadly) not an untrue one.

Mackenzie's half-sister, Chynna Phillips, backs her up all the way.

Chynna, of the hit 90s group Wilson Phillips, shares her side of the sad tale, recalling how she once got a call from Mackenzie, now 49, in 1997.

This was 11 years after the affair had ended. Mackenzie Phillips spilled to Chynna, now 41, all about how their father had an affair with her.

"She said, 'I don't know why, but I just really felt the need to call you and tell you something that I think you need to know,'" Chynna Phillips said.

Chynna Phillips believes Mackenzie's story 100 percent.

"[Mackenzie] went on to tell me that she had had an incestuous relationship with our dad (of '60s band The Mamas and the Papas) for about 10 years."

When the affair began, John Phillips was married to his third wife, model Genevieve ­Waïte. Chynna's reaction, not surprisingly, was total shock.

"Somebody could have dropped a piano on my head and I probably wouldn't have felt it," the singer says in an interview with Us Weekly. "But I knew it was true. I mean, who in their right mind would make such a claim if it wasn't true?"

She says the news sent her into "a deep, deep sadness and depression."

In her book, High on Arrival, Mackenzie Phillips also claims she and her father did drugs together and that her father "shot me up for the first time."

Chynna confirms this as well: "They were both doing drugs together."

"After long nights of heroin use, she's claiming that she once woke up and that my father was on top of her having sex with her," Chynna said.

"Was he actually raping her? I don't know. Do I believe that they had an incestuous relationship and that it went on for 10 years? Yes."

Mackenzie Phillips and her father, Jon Phillips.


You know this is a toughie! Because she(MacKenzie) could very well be capitalizing on her father's fame to bring her fortune? I mean what better way to sell a book than to tell tall tales? Because you all know that we as a whole tend to buy and/or listen to the tell all book!(myself included)It could go either way... It's a case of she says and he can't say! Who Knows? The only ones who really know are John and Mackenzie.If it's true than shame on him! If it's not true than shame on her for taking advantage of fame! The fact of the matter is? Shame on her MOTHER! where was she?


Mackenzie is so brave for finally coming forward with her story. John Phillips was a sad pathetic human being who took advantage of his power as most abusers do. Good for Mackenzie for showing other victims that there is life after the abuse.




Silly girl! Everyone knows you save the "found myself pregnant" nugget for the NEXT book.


Why on earth would she want the whole world to know about this?


Wither this is true or not the only reason to write this book and go on Oprah is to make money.
Are we supposed to feel sorry for this women who spent years doing drugs and doing her father.
I don't feel sorry for her at all. At 18 or 19 you wake up and your father is having sex with you, you either like it or you leave and tell someone to get help. So If it is true then she must have liked it to keep it up for 11 years.
She is trash and should be ashamed to do this to make some money.


Pray for her and her family....coulda been you!


This is disgusting. Mackenzie is NO victim. It's obvious she is hoping to cash in on this sick story, I cant even describe how disgusted I am. This story is only one sided, as her dad cant say what went on between them. Drugs or no drugs, ITS NO SECRET THAT FATHERS AND DAUGHTERS DONT DO THAT STUFF TOGETHER!!!!!!!! How effing dumb do you have to be? Seriously. After she gets paid to do a tell all interview, she will just go out and buy drugs with that money. What a shame. This woman needs serious help. A straight jacket would be a good first step.'s disturbing to think that people do crazy stuff like this.


It is sad because I can personally tell you that these men make you feel like there is nothing wrong going on and make you think that all other fathers do the same thing. I was only 14 when my father had sex with me. I also got into drugs but when I was 24 I met a man who helped me get sober but when we would get into fights he would throw it in my face about my father and tell me how disgusted he was to have sex with me because my own fatehrs privates had been in me. I stayed with him for 10 years. Now I have found freedom from all this by spiritual and psychological help. I hope she finds the same.


Chynna is actually Denny's child. Maybe Dad thought Mackenzie wasn't his daughter, too. Very sick.

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Mackenzie Phillips Biography

Photo of Mackenzie Phillips
Mackenzie Phillips rose to fame on the TV show One Day at a Time. She's an actress and singer that also starred in American Graffiti.... More »
Alexandria, Virginia
Full Name
Laura Mackenzie Phillips