SECRET's Hyosung became a cheerleader for a day on 'Star King'!

SEE ALSO: More pictures revealed of SECRET's Hyosung for drama 'Ghost-Seeing Detective'

Hyosung teamed up with cheerleading champions Impact and definitely made an impact with her difficult stunts including a high split and falls that made it hard to believe that it was only a week's worth of practice.

Check out Hyosung's cheerleading stunts below (starts at 12:40 mark)!