Heavily pregnant Jessica Simpson is due to give birth to her first baby girl just in a matter of weeks now.

Pregnant Jessica Simpson with Fiance Eric Johnson on the April issue of Elle magazine's cover. Image Credit: Elle

Well, apart from her cravings for slutty brownies, the fashionista is feeling more intimate than ever and says she has never felt this touchier with her body and sexuality as she feels with her full-fledged huge baby bump .

Simpson, 31, recently opened up about her sex life with fiancé Eric Johnson on Ryan Seacrest's radio show Tuesday, US magazine reported.

I am definitely 'feeling intimate', said the Fashion Star mentor who recently posed nude for Elle magazine April issue cover.

I'm kind of unstoppable right now. The Big O is, like, the biggest O ever! she said.

About her fiancé, former NFL star, Eric Johnson, she says, He is always ready.

The couple has been in a serious relationship since May 2010 and is expecting their first child together this spring.

The pregnant star revealed that the decision of going bare clothes at 170 pounds for Elle was solely hers.

They didn't even ask me to do that, she said. It was my idea. It kind of just seemed a natural thing for me to do.

Well, it seems Jessica is way more comfortable in her heavier frame. Normally, I'm so shy. I'm not the person you see photographed in a bikini on a beach. But for some reason, being pregnant, it's so easy for me. I feel so comfortable in my skin.

I wasn't nervous at all, she said in an earlier interview with USA Today.

I'm like 170 pounds and I wanted to pose nude. I try to be like 110 pounds. It's funny to be at your heaviest and feel the most confident. I just take such pride in being a mom! I just love my body more than ever now, she revealed at the radio show.

Simpson is in her third trimester now and is eagerly waiting to hold her little one in my arms and not my belly, she briskly added.

Recently, the star had a star-studded pink baby shower in Los Angeles in the presence of her family and friends from the industry including Jessica Alba, Cacee Cobb and many more.