CBS sitcom “One Day at a Time” star actress Mackenzie Phillips, 49, reveals her father, John Phillips, frontman of the Mamas and the Papas, raped her on the eve of her wedding to Rolling Stones‘ entourage member, Jeff Sessler, when aged 19.

Following her firing from “One Day at a Time” because of her heavy drug usage, she toured with the Mamas and the Papas and carried on a long-term consensual incestuous relationship with her father, who was also a notorious drug addict, who in 1981 was convicted of drug trafficking.

In 2008 she was arrested at Los Angeles International Airport (LAX) on suspicion of cocaine and heroin possession, and later pleaded guilty to cocaine possession. Watch the video below where she discusses that arrest:

The revelations outlined above will be aired on Wednesday’s “The Oprah Winfrey Show,” which coincides with the release of her book “High on Arrival.” Mackenzie’s co-star on “One Day at a Time,” Valerie Bertinelli will join in support of her on Oprah’s show.

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