Girl group Girls' Generation's members Yoona, Yuri, and Hyoyeon revealed funny and crazy pictures, revealing their silly side.

Today, Hyoyeon posted on her Instagram, "Dancing Queen" along with a picture.

In the picture, Yoona, Yuri and Hyoyeon in where seems to be the waiting room are in casual outfits. They seem to be making funny poses with all their might without thinking about their image, arousing laughter.

Internet users who saw this commented, "What happened to their image?," "They've gone crazy to be funny," and "What are they doing?"

Photo Credit: Hyoyeon Instagram