Shortly after Snooki slammed reports alleging her husband, Jionni LaValle, was among the men found on Ashley Madison — a website aimed at people in monogamous relationships who are looking to have affairs — Radar Online reports that the Jersey Shore alum and her husband were caught have a blowout fight!

“She’s pissed and upset,” a source tells Radar. “They’re screaming at each other.”

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The source continues, “She thought he would never cheat on her. In her book, Jionni was always the stand-up guy. She never thought he could pull anything unforgivable or hurt her.”

READ MORE: Snooki Reveals the REAL Reason She Doesn’t Wear Her Wedding Rings!

But the 27-year-old mother is not backing down in her defense of her man.

“I’m lucky if he knows how to even use a computer, yet go on Ashley Madison to cheat on me,” she told Entertainment Tonight.