Girl group Wonder Girls' member Yubin showed off her perfect body.

On October 20, Yubin posted on her Instagram, "Pilates in the morning. First workout picture" along with a picture.

In the picture, Yubin is spreading out her legs on the reformer machine. She is showing off her body in the tight outfit.

Internet users who saw this commented, "Show us your face too," "Fit body through workout," and "Her hair is so cute."