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There’s as much drama going on behind the scenes of “The Real Housewives of New York” as there is on-screen, and one of the show’s cast is said to be getting the ax.

After original “Housewife” Bethenny Frankel returned to re-energize the series, sources tell Page Six the show’s newest member, Kristen Taekman, will not be invited back next season.

Meanwhile, Ramona Singer and LuAnn de Lesseps have infuriated the others with randy behavior on a recent cast trip to Turks and Caicos because they allegedly brought back strange men to the ladies’ digs after a wild night out. The racy rift will be the subject of the series’ final episodes, and fought about on an upcoming reunion show, sources said. De Lesseps has even recorded a new song inspired by the run-in.

“Kristen will probably not be invited back to the show because she doesn’t fit in and her story line is stale,” sniffed an insider.

A rift with Frankel hasn’t helped.

“It will be the nail in Kristen’s coffin. Bethenny wants her off the show. She is now the anchor. Kristen is likely departing.”

Meanwhile, multiple sources added that Sonja Morgan invited the cast to Turks and Caicos, and “LuAnn brought home a stranger during the cast trip, which caused a huge fight with everyone.

Ramona brought a guy home as well.” But another source insisted, “It was Ramona who brought a guy home, not LuAnn. That led to a big fight. Anyway, they are all single.”

Of the incident, a spy said, “LuAnn kept telling everyone, ‘Be cool. Don’t be all, like, uncool.” The line’s been teased in a promo for the show, and LuAnn’s recorded a song, “Girl Code: Don’t Be So Uncool,” Page Six has exclusively learned.

Produced by Jerry Wonda, and made with Bravo honcho Andy Cohen’s stamp of approval, she’ll debut the ditty on a Pride float on June 28, and is hoping it’ll be a hit after her last ode, “Money Can’t Buy You Class.”

The series celebrates its 100th episode on June 30. A Bravo insider insisted there have been no casting decisions made for next season regarding Kristen or the rest. A rep had no comment.