Girl group Rainbow's member Jisook revealed a picture taken in her dance studio.

Yesterday, Jisook posted on her Me2day, "Jisook who doesn't know if she went to practice or to take pictures," along with pictures.

In the pictures, Jisook was posing in front of the mirror, making cute faces. Her skinny body caught much attention.

Internet users who saw this commented, "Fighting," "The secret to a skinny body is exercise," etc.

Photo Credit: Jisook Me2day