Kardashians, Khloe, 31, proudly showcased her toned derriere while she engaged in cardiovascular activities with sister Kourtney, 36.The duo went back and forth throughout their workout, citing the other as the reason they pushed through their difficult regime.
Khloe, hair pulled back in a high bun, wiggled her body side-to-side while getting in some aerobic exercise in the pool.The most outspoken Kardashian donned a black, high-cut swimsuit.The back part of her one-piece attire showed off her pert backside, which she made sure to flaunt for the cameras.
R