Girl group Girls' Generation's member Tiffany revealed pictures from their music video filming set.

"'you think' COMING SOON," posted Tiffany on her Instagram on Monday along with several pictures.

In the first picture, Girls' Generation members are showing off their beauty on the filming set. In another picture, sooyoung and Tiffany are posing for the camera with their makeup and dresses on.

Girls' Generation will be performing their new songs "Lion Heart" and "You Think" on August 21 for the first time.