Having performed first on M! Countdown yesterday, veteran sexy artist Chae Yeon made her second comeback stage on today's episode of KBS Music Bank. Chae Yeon performed Crazy and her comeback title track Look Look Look, as its MV was released yesterday just a few hours after her comeback stage. With her charisma, Chae Yeon proved to us throughout the performance that she is indeed one of the sexy icons of K-pop. Check out her charismatic performance below!