She hit the beach in Miami on Wednesday while rocking a strapless high cut black bathing suit. And one day later, Karrueche Tran stepped out in another revealing swimsuit. The actress, 29, flaunted her flat stomach and her toned legs in a classic white bikini on Thursday. The ex girlfriend of Chris Brown donned a bikini from Myra Swim, an Australian swimwear brand. The figure flattering set had a front tie up top and high…"ABS-olutely fabulous! Karrueche Tran shows off her flat stomach in white bikini for pool session in Miami"