SNSD performed 'You Think' and 'Lion Heart' for their comeback on Music Bank!

It's a double treat for SNSD's fans but a double threat for other groups who are looking to take the top spot.

Girls' Generation is back, and here they are performing two songs for their comeback stage.  Check out their hot stages below~

Backstage

♥ Buy SNSD's 5th Album ♥

'Lion Heart' Version / 'You Think' Version