It's bikini season, ladies, and you know what that means - time to hit the treadmill and begin getting your figures back! If you guys need some motivation and inspiration to hit the gym this summer, take a look at After School's leader Kahi moving, grooving, and running in the Fat Down CF till she feels the burn. Obviously, working out and staying fit has done wonders for the group's charismatic leader. Just look at those abs! Check out the sexy CF below. [gallery]