EXCLUSIVE: Ramona Singer Promises 'Off the Rails' Bethenny Frankel at 'Real Housewives of New York' Reunion

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The Real Housewives of New York
has finished what might’ve been its most explosive season ever, and from health scares to infidelity, all the drama will be revisited during the show’s three-part reunion special, premiering Aug. 31 on Bravo. Ramona Singer tells ET, “There were so many bombshells [at the reunion], my head was spinning. It took me two weeks to recover.”

The reunion was taped in mid-July and the ladies took to social media shortly thereafter. On Snapchat, Sonja Morgan said she was “hardly able to speak” after the taping. It’s unclear whether her silence was the result of shock or physical exhaustion; Singer says the cast arrived at 6 a.m. and didn’t wrap until 9:30 p.m., with just a one-hour break during the “grueling” day.

Bethenny Frankel had a fever that day, but Singer says that didn’t stop her from bringing the heat. “For not feeling well, she really went off the rails,” Singer says. Frankel tells ET this was her most difficult reunion ever for the show. “I didn’t enjoy it at all,” she says. “Last year, we all went to dinner afterwards. This year ended differently.”

EXCLUSIVE: Inside Bethenny Frankel’s Stunning Hamptons Home!

Frankel says she’s always lived honestly on the show, and argues some of the other ladies don’t do the same. “You have 50 percent of the cast that has a whole taboo, police line, do-not-cross section of their life that is not discussed on camera and never has been,” she says. “For legal issues and liability issues, Bravo doesn't need to bring it up. It's a difficult line to ride and that may be why I don't come back.”

At the reunion, the Skinnygirl mogul accuses new cast member Jules Wainstein, who is splitting from husband Michael after photos of him with an alleged mistress surfaced online, of planning to get divorced before the season even began. But Luann de Lesseps tells ET she doesn’t buy that theory. “I think Jules came into the show very much married,” she says. “They looked very much together. I was surprised, like everybody else, to hear.”

Of course, de Lesseps’ fast engagement to Tom D’Agostino, Jr., and his kiss with another woman just days after will be a major topic of the reunion. For Singer, whose split from longtime husband Mario was chronicled on the show after he had an affair, the news of D’Agostino’s infidelity brought up memories. On the season finale, Singer revealed she discovered Mario’s affair through the press. “With my divorce … it was bittersweet because I really did care for him very much but we grew apart,” she says. “I mean he wants to live in Florida full time. Can you see me living in Boca full time? Not meant to be.”

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De Lesseps seems to feel good about how the reunion went, though. "I actually like the reunion because you get to really tell your side of the story," she tells ET. "There's redemption. There's starting over."

Another pairing the ladies are likely to go head-to-head over is Dorinda Medley and her boyfriend, John Mahdessian, who battled with Frankel for much of the season’s first half. In recent episodes, he largely disappeared. “I think [Dorinda] realized when John came around other women, conflicts started to happen.” Singer says.

Ultimately, Frankel says she “might not be back” to RHONY because of how intense the reunion was. “Something very dramatic happened at the reunion to question my integrity,” she reveals. “If someone questions my business or my integrity, I take it really seriously; I don't just kind of gloss over it. So, I think maybe the ‘fun and light’ Bethenny that people expect, with the quips and the comebacks, wasn't there.”

The Real Housewives of New York Season 8 Reunion, Part I
premieres Wednesday, Aug. 31 on Bravo.