Mackenzie Phillips Opens Up About Her 10-Year Incestuous Affair With Father

  • Mackenzie Phillips has opened up to sister Chynna about the 10-year incestuous affair she had with their father, The Mamas & the Papas frontman John, revealing how she ultimately forgave him for raping her and turning the abuse into a consensual relationship.
  • The 64-year-old One Day At A Time star appeared on Chynna’s YouTube channel where the pair discussed their tumultuous childhoods and the trauma that they carried from those experiences.
  • Mackenzie, who is the daughter of John and first wife Susan Stuart Adams, made a  bombshell revelation in her 2009 memoir, High On Arrival, claiming that her father first raped her when she was 19 — on the night before her wedding to Jeff Sessler.