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Video has emerged of “Real Housewives of New York” star Ramona Singer somewhat unsteadily grinding on a young man at Montauk hot spot Gurney’s over the weekend.

In the clip — regrettably seen by Page Six — Singer clatters amorously into an unsuspecting (but quickly enthusiastic) dance partner, and then pushes herself up and down on him, at times appearing to grind on him, at others, appearing simply to use him to keep herself upright.

The Bravo star then suddenly walks carefully away across the sand.

From the same event, attended largely by 20-somethings, the 61-year-old Singer captioned an Instagram picture, “Age is just a number. It’s mind over matter. If you don’t mind. It doesn’t matter.”

Singer denied that the sexy moves constituted “grinding.”