Kim Kardashian says that though she regularly poses wearing nearly nothing, she’s actually “more conservative’ in her own bedroom.

“It’s actually funny, at home I’m much more conservative than my public persona is,” she tells Bret Easton Ellis in a new cover story for Richardson Magazine. “My public persona is wild, sexual,” she reveals to the “American Psycho” author. “But I’m actually uncomfortable when I talk about sex, and I’m more conservative when it comes to that.” She says of taking off her clothes in photo shoots, “I’m vain like that… I can go on a set and be fully naked in front of 50 people doing a shoot, but if I’m one on one, intimate in bed, I’m like shy and insecure. I definitely have two different personalities like that. But I think motherhood has actually made me more confident about being publicly sexy.”

For the 20th anniversary issue of the mag, Kardashian appears topless on the cover for photographer Steven Klein. There’s also an image of her crouching naked in a tub.

But the mother of three tells the mag that the Klein shoot was empowering because, “I was somebody who gained 60 or 70 pounds in my pregnancies and felt so unlike myself and so unsexy… I just felt so bad about myself in my soul. The internet was making fun of me, comparing me to whales! Shamu and I were in a ‘Who wore it better?’-side by side. I didn’t lose weight that quickly. But I’d say eight months later I had probably my best body ever. I felt like, ‘I did this. I lost all this weight on my own. I feel better than ever!’ I just put my body through that, and so it was empowering when I did a nude shoot.”

Kim’s revealing pics are said to be “inspired by the Japanese adult animated psychological thriller, ‘Perfect Blue,’ directed by Satoshi Kon,” according to the mag, which has previously featured porn stars Sasha Grey and Jenna Jameson on its cover.