Girls' Generation's member Yoona and f(x)'s member Sulli revealed a picture taken together.

Today, SK Telecom posted on its Twitter, "This is commercial filming site. Yoona and Sulli's self-camera. Who are those good-looking men behind them?" along with a picture.

In the picture, Yoona and Sulli are standing next to each other, smiling brightly at the camera. Behind them are EXO members turned around, holding up Vs with their fingers.

Internet users who saw this commented "So pretty."

Photo Credit: SK Telecom