Rebel Wilson's eagerly-anticipated memoir, Rebel Rising, was published yesterday (2 April).
In the book, the 44-year-old Pitch Perfect star opened up about having sex for the first time in her 30s and finally revealed the name of the actor she did it with.
Wilson - who last week branded Sacha Baron Cohen an 'a**hole celebrity' whilst promoting her memoir - previously shared with People that she 'lost her virginity' aged 35, and wants to reassure young people who might read her book that 'not everybody has to lose their virginity as a teenager'.
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She told the outlet: "People can wait till they're ready or wait till they're a bit more mature. And I think that could be a positive message.
"You obviously don't have to wait until you're in your thirties like me, but you shouldn't feel pressure as a young person."
In a chapter titled, 'Late Bloomer', the Aussie actor shared the man who was her first-ever sexual partner was none other than actor and comedian, Mickey Gooch Jr. 38.
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She wrote that she was 'almost at my highest weight' at the time, explaining that one of the reasons she waited so long to have sex because she felt that 'as a big girl, no one would ever truly find me sexually attractive.'
Wilson also confessed that Gooch didn't know it was her first time, adding: "And, Micks, I know this might be news to you if you are reading this, but yes, I lost my virginity to you."
She explained that she first met Gooch after her Pitch Perfect co-star, Hana Mae Lee, set them up and she was immediately smitten with the 'chiseled' and 'sexy' actor.
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However, it wasn't until a month of dating that she felt she was finally ready to sleep with him.
She added that she 'high-fived myself' after doing the deed, adding: "Life IS short. I didn't want to live my life without experiencing sex. Experiencing love. I put it out into the universe that I was finally ready. I was going to feel the fear and just do it."
She also candidly admitted that she watched adult movies the night before 'in preparation'.
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Elsewhere in the text, she added that once she and Gooch had sex, she wanted to be with Mickey 'all the time,' writing: "I'm a late starter and now I want to be MVP.
"I'd imagine having sex and being intimate and everything would always be in my head. Now, I'm someone who lives much more in my body. And I'm loving it. Now I actually have a boyfriend and he's handsome and rich to boot."
The pair went on to date for six months but the relationship eventually ran its course.
Topics: Celebrity, Rebel Wilson, Sex and Relationships, US News, Books