EXCLUSIVE: Teresa Giudice Shoots Down Pregnancy Rumors: 'Believe Me, I'm on the Pill'

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Teresa Giudice unequivocally denied rumors that she's pregnant, telling ET, "That's not happening."

The Real Housewives of New Jersey star spoke with ET's Jennifer Peros at a release party for her new book, Turning the Tables: From Housewife to Inmate and Back Again, in New York City on Wednesday, where she addressed reports that she's expecting a baby boy.

"No, no. Believe me, I'm on the pill," the 43-year-old reality star and mother of four daughters stressed. "No, I'm so done. I really am."

WATCH: Teresa Giudice Says She's 'Happy to be Home' in First Post-Prison Red Carpet Interview

While Teresa admitted that she's sure her husband, Joe Giudice, would "like a little Joe Jr. running around," she said, "I'm happy with my four daughters, [and I] just want to concentrate on them."

Now that Teresa is out of jail after spending almost a year behind bars, where she wrote her newly-released memoir, she's returned to filming new episodes of Real Housewives, which means the show's cameras are back in the Giudice household.

While Teresa is excited to be filming again, it appears her daughters don’t really share her enthusiasm.

WATCH: Joe Giudice Opens Up About Teresa's Life Behind Bars: She’s Really Not OK

"They go with it, but it's really not their thing," Teresa shared.

For Teresa's eldest daughter, 15-year-old Gia Giudice, fame isn’t something she's interested in anymore, after deciding that she wasn't interested in pursuing a music career.

"She was going to do the whole singing thing, and then she decided it's not for her," Teresa explained. "She says she wants to be a criminal attorney. So I hope if anything out of this comes out, that she does become a criminal attorney, and helps another mom stay home with their daughters. That would make me so happy."

WATCH: Teresa Giudice Says Urine and Blood Stains Were on Her Prison Bed: 'It Was Disgusting'

While Teresa is celebrating her time at home after being locked up for so long, Joe is getting ready to start his 41-month prison sentence in March, meaning Teresa is going to be looking out for her young daughters by herself. Which is why she's excited about writing more books and getting a few new ventures off the ground.

"I'm going to be a single mom shortly, so I want to get businesses going again," Teresa said. "I got four mouths to feed, and I want to show my daughters what it's all about, being a businesswoman."

WATCH: Teresa Giudice Receives a Brand New Lexus After Prison Stint

She doesn't know exactly what new projects are in her future, but she revealed that she's interested in starting her own clothing line.

Teresa recently got very candid about life behind bars in a two-part Watch What Happens Live! special about her time in jail and her release. Check out the video below to hear some of her shocking stories.