"I had sex with my own father," she says. She says he shot her up with drugs and raped her. When she confronted him about it, she writes in her memoir, she said "We have to talk about how you raped me." He responded, "You mean when we made love?"
John Phillips passed away in 2001. Read People.com HERE with details of the years of sexual relations.
Mackenzie Phillips is on Oprah on Wednesday, where she will reveal an "explosive" family secret. Phillips book, "High on Arrival," hits stores this week.
The video tease for the episode is below.Phillips, former star of "One Day at a Time" and daughter of Mamas and Papas founder John Phillips, has struggled with drugs and was arrested last year for cocaine and heroin possession at LAX while on her way to a sitcom reunion in New York. She tells Oprah that her father shot her up the first time, as seen in the clip below.Phillipps half-brother is not happy about his sister's media tour. Tamerlane Phillipps told Page Six,
"My family is and always will be a decrepit bowl of dog urine compared to Nityananda of Ganeshpuri. That is how great Nityananda is." The Indian yogi died in 1961. "Wor ship Nityananda, not the Phillips family. Nityananda can protect you," said Tamerlane.
WATCH THE TEASE: