Carole Radziwill, LuAnn De Lesseps: 'RHONY' Season Seven Reunion Lunge? Violence Erupted [VIDEO]

LuAnn de Lesseps' season seven feud came to a head during the recently filmed reunion special for The Real Housewives of New York City.

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According to a new report, the two women rehashed their battle over de Lesseps' niece's ex-boyfriend, Adam, whom Radziwill had a relationship with during the show, and within moments, their feud became physical.

“[LuAnn] lunged at Carole, screaming, ‘How dare you?’” a show source revealed to Us Weekly on Thursday. “Carole put her hands up and told her to back off.”

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A week later, Radziwill opened up about her co-star's bad behavior, claiming she did nothing wrong, and thus didn't deserve to be attacked.

“Luann lunged at me because she couldn’t take hearing the truth about her own bad girl behavior,” Radziwill claimed, adding, “If elegance is learned, then she needs to go back to school!”

During the taping, Radziwill wasn't alone in her battle against de Lesseps. Heather Thomson also got in on the action.

“Heather said to Luann, ‘If you were really bothered by Carole and Adam you would have said something when you saw them snuggling up that night they met at your house,’” a second source told the magazine. “She noted that they were clearly feeling sparks, but if LuAnn had said back off, Carole would have."

Thomson also snapped at Bethenny Frankel for "constantly interrupting everyone with her commentary,” but later resolved their issue.

Meanwhile, “[Ramona] fell asleep on the couch and Andy Cohen had to wake her up!”