Check out SNSD Tiffany's BTS pictures from the filming of Unnie's 'Shut Up' MV

As revealed before, SNSD's Tiffany and the cast of 'Sister's Slam Dunk' are preparing to release their own song titled 'Shut Up'.

They are also preparing for its music video, and here to give us a sneak preview, you can now see some behind the scene pictures from their filming below~