Rachel Fuda will soon be a mom of four! The Real Housewives of New Jersey star made the reveal during Sunday's unconventional reunion, subtitled Off the Rails , that she and her husband, John, were expecting their fourth child . The pair previously welcomed daughters Gianella and Guiliana together, while Rachel adopted John's teen son, Jaiden, from a previous relationship. "Jaiden was actually funny," Rachel shares to ET, speaking of her son's reaction to the family expanding.

"We sat down, and I'm like, 'We have to talk to you...

' and I filmed the whole thing, and it was like the biggest womp, womp, womp! He's like, 'I knew it.' I'm like, 'What do you mean you knew it?' He's like, 'I just knew it. I just knew!'" Rachel dropped the baby bomb on her castmates in the final moments of episode, eliciting some big reactions from the women she sat down with to relive RHONJ 's explosive season 14 finale: Melissa Gorga , Margaret Josephs , Danielle Cabral and Jenn Fessler .

"I had seen the girls right before we [filmed] together," Rachel recalls. "I was in my backyard, and all the girls were like in my pool hut outside, and [Danielle] yells across the backyard, and she's like, 'Are you pregnant?!' And I'm like, 'No, that is so offensive.' I'm like, do I look pregnant?! Which, like, I'm so bloated that I definitely did at that point.

And I'm like, how? Why does she think that I'm pregnant like? Why is she saying that? And she's like, 'I had a dream that you're pregnant.'" "I went to t.