Sistar took over the stage with fans alone.

On December 23rd broadcast of KBS 2TV 'Music Bank', Sistar sang 'So Cool' and 'MY BOY'.

On this day, Sistar seduced the audience with their sexy outfits and fans. The male fans cheer loudly for Sistar, who has stopped their promotion for the time being. Also during the 'MY BOY' performance, So Yoo and Da Som got on the stage with Hyo Rin and Bora to do the sexy wave dance.

Also on this day's broadcast were C.N. Blue, Miss A, G.NA, B2ST, and many more.

Photo Credit: screen capture from Music Bank