A picture of the SM Entertainment artists hard at work was revealed.

On August 18th, choreographer, Greg S. Hwang revealed the picture above while tweeted, "Rehearsal with sm family."

The picture showed various artists including, we believe, Girls' Generation's Hyoyeon, YoonA, and Yuri, and EXO's Kai and Tao. The picture must have been from one of their rehearsals as the top idol stars wore casual clothing and made funny poses for the camera.

After viewing the picture, the netizens responded with, "After seeing a rehearsal photo, I'm looking more forward to the concert", "The top stars all in one place", and "Their funny expressions are so cute."

Meanwhile, SM Entertainment's artists held their 'SM Town Live World Tour Concert' in Seoul on the 18th.

Source+Picture: Greg S. Hwang's Twitter