The Oscar-winning actress told 24-year-old Eva Amurri to take on the role in US TV show Californication which involves her baring her body as she had the figure to do it.
Eva said: I wasn’t sure but mom reassured me and told me to do it while I was young.
However, Eva admits her brothers Jack, 20, and 17-year-old Miles weren’t so impressed.
She said: "Hopefully, one day my brothers will forgive me."
Susan recently defended her daughter’s appearance in the show and insisted she enjoyed every moment of Eva’s performance as David Duchovny’s character Hank Moody’s lover.
The 63-year-old actress said: "I've seen bits and pieces of some of the nudity and she looks beautiful - if you have it, why not?"
"She plays a woman who, as far as I can tell, is really in charge of her life and is not a victim. So it sounded to me like it would be a blast.
"I think if she were playing something that was going to be really hard for her psychologically or damaging, I'd be more concerned, but she had a really good time with the sex thing."
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