MNet’s twitter sub-account (@Mnet_Dancing9) dedicated to providing updates, news and content on their new dance survival show ‘Dancing 9‘ recently released a short BTS video of our cute and bubbly mushroom on the studio set, giving support to Hyoyeon and impliedly, Yuri as well.

If you haven’t had your daily dose of Tiffany’s smile, here’s your chance now!

Tip: Play it in HD.