Demi Moore reveals that she was raped at the age of 15 in her new memoir, “Inside Out.”

In an interview with The New York Times’ Dave Itzkoff, the actor opened up about her life story, including her childhood, which saw her moving across the US and helping her father (who ended up not being her biological father at all) support her suicidal mother.

According to The Times, Moore writes in her new book about being raped at the age of 15, then moving out of her mother’s house the day after her 16th birthday to live with a guitarist.

She married rock musician Freddy Moore two years later, though says the marriage fell apart due to her own infidelity.

"When I was younger, I was obligated to be of service," she told The Times. "I wouldn't be loved if I wasn't - if I didn't give of myself. My value was tied into my body."

She added that this attitude towards her sexuality is perhaps what drew her to roles like "General Hospital," "Blame It on Rio," and "About Last Night…" which presented her as an object of desire or "required her to appear unclothed."

demi moore ghost

Foto: Demi Moore and Patrick Swayze in "Ghost."sourceParamount Pictures

It's also what led her to abuse alcohol and cocaine, and to start binge-eating and obsessing over her weight - problems which she later tackled through a rehab program for trauma, codependency, and substance abuse.

Elsewhere in the memoir, Moore delves into her marriages with actors Bruce Willis and Ashton Kutcher, her health problems, and how a more recent relapse "tore apart her family."

Read more: Demi Moore blamed herself for miscarrying her baby with Ashton Kutcher, and says it reignited her drinking problem

She writes: "If you carry a well of shame and unresolved trauma inside of you, no amount of money, no measure of success or celebrity, can fill it."

Now 56, the actor told the Times she was "both eager and anxious" to let fans "see her as she sees herself, without any barriers or artifices."

"It's exciting, and yet I feel very vulnerable," she said. "There is no cover of a character. It's not somebody else's interpretation of me."

She added that her three daughters, Rumer, Scout, and Tallulah, each read the book before it was complete, and were given the chance to ask for revisions, but none did.

Rumer told The Times that through the memoir, she learned about her mother's history in much greater detail than Moore had hinted at throughout her life.

"We grow up thinking that our parents are these immovable gods of Olympus," Rumer said. "Obviously, as we grow older, we start to realize how much our parents are just people."

"Inside Out" will be released by Harper on September 24.