Girls' Generation's member Yuri revealed self-camera photos taken with member Sooyoung.

Yesterday, Yuri posted on her Instagram, "My friend 9-1. Happy birthday. I'm so lucky to have you... and I'll probably feel the same way for the rest of my life," along with a 4-cut picture.

In the picture, Yuri and Sooyoung are making cute faces at the camera.

Internet users who saw this commented, "They're both so pretty," "Go Girls' Generation," etc.

Photo Credit: Yuri Instagram