Luann hit the beach during a girls' trip with her RHONY co-stars in Maimi wearing a sexy bandeau bikini top with matching navy bottoms. The year-old Real Housewives of Beverly Hills star showed off her fit frame in a series of Instagram photos wearing an itty bitty two-piece royal blue bikin i on a Hawaii beach after a morning paddle and swim session. The New York housewife had the "perfect kick-off" to summer celebrating Memorial Day on her boat in a red string bikini. The B is always in a bikini. Frankel brought her stylish swimsuit style to the beach in May wearing a ruffled off-the-shoulder top and string bikini bottoms with her floppy hat and pink-tinted glasses. There isn't a swimsuit style that Rinna shies away from, including this Norma Kamali one-shouldered, high-cut swimsuit.