Bijou Phillips — daughter of ’60s musician John Phillips — isn’t happy with half-sister Mackenzie, who claims she had a decade-long sexual relationship with their father, reports.

“When I was 13, Mackenzie told me that she had a consensual sexual relationship with our father. This news was confusing and scary, as I lived alone with my father since I was three,” Bijou, 29, says in a statement to

“I didn’t know what to believe, and it didn't help that shortly there after Mackenzie told me it didn’t happen,” she added. “Mackenzie’s history with our father is hers, but also clouded with 30 years of drug abuse.

“I hope she can come to terms with this and find peace,” Bijou continues. “The life I had with my father was very different. He was Mr. Mom, encouraging and loving. The man that raised me would never be capable of doing such things, and if he was, it is heartbreaking to me to think that my family would leave me alone with him.

“I understand Mackenzie’s need to come clean with a history she feels will help others, but it’s devastating to have the world watch as we try and mend broken fences, especially when the man in question isn’t here to defend himself,” her statement concludes.

Mackenzie’s stepmother Michelle Phillips, 65, also slammed the story. She told Vanity Fair on Friday, “I’m so embarrassed — and mad. At Oprah, at the publisher, and at Mackenzie, who should be on a psychiatrist's couch, not on TV…”

She added, “Mackenzie has affected the lives of all her nieces and nephews, who are not going to school today and are staying home sobbing instead.”

Chynna Phillips is standing behind her stepsister Mackenzie. She tells the new Us Weekly: “I have pretty much come to peace with the fact that she’s written this book and that it’s been a cathartic experience for her.”

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