2AM's member Jo Kwon showed off his muscular body.

On Feb. 23, Jo Kwon posted on his Instagram, "Showing off my body for the first time in a while" along with a picture.

In the picture, Jo Kwon is taking a picture of himself in the mirror while holding up his tanktop to reveal his fit and muscular body. His buff arms and abs caught much attention.

Internet users who saw this commented, "Wow, he's so buff" and "This is worth showing off for."