Mackenzie Phillips revealed dark family secret

Actress who stared on "One Day at a Time" reveal a "dark" family secret, Mackenzie Phillips admits that she had sex with her Dad the night before her wedding to Jeff Sessler.

"On the eve of my wedding, my father showed up, determined to stop it," writes
Phillips, who was 19 and a heavy drug user at the time. "I had tons of pills,
and Dad had tons of everything too. Eventually I passed out on Dad's bed."

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."

Mackenzie revealed that her dad was the one who taught her how to take drugs, she also said that her father was "full of love."

Mackenzie Phillips dark secret story was all in her book "High on Arrival."