SNSD reveals 'hilarious toothbrush video'

You wouldn't imagine how pretty girls of Girls Generation turned out to be so hilarious until you watch their latest 'toothbrush video'.

On July 5, Taeyeon uploaded a short video clip showing Hyoyeon, Yoona and herself brushing their teeth in a hilarious way. The girls seemed like having competition on who brushes fast among them showing their funny facial expressions.

Watch below: