SISTAR's snaps a group photo at the backstage of their 1st concert!

SISTAR completed their 1st ever solo concert.

SISTAR's official Twitter updated on 15th September,"SISTAR's first ever solo concert "Famme Fatale" and everyone with us,thank you.Our first concert ended happily and was very interesting,surprise event,with SISTAR!Love you STAR1."

Fans commented,"Pretty too in waiting room","congratulations" and etc.

Source: SISTAR's Twitter