Kelly Bensimon takes her love of the gym too far as she displays her VERY hard body in a black bikini. She clearly works hard to maintain her figure. But it seems Kelly Bensimon may have taken her love of working out too far, judging by the incredibly hard body she displayed as she hit the beach in a black bikini on Sunday. The 45-year-old former Real Housewives Of New York City star showed off her chiselled abs and muscular arms as she strutted her stuff in the halterneck two-piece.