Kelly Bensimon. ‘Real Housewives’ Stars Look Like Supermodels in Swimsuits — Including Bethenny Frankel, Lisa Rinna, Kelly Bensimon and More! It seems like the former Real Housewife of New York star’s favorite thing to wear is an itty-bitty two-piece — and we can see why! The 52-year-old looks off-the-charts incredible with her toned tummy and long tanned limbs.