씨스타 가식걸 티저 (with 슈퍼주니어 김희철) casting : Super junior Heechul, kim kyungjin Sitar 2nd Single album [Shady Girl] STARSHIP.Entertainment .br 씨스타 1st Album So Cool So Cool Teaser 티저 영상. SISTAR So Cool ℗ STARSHIP ENTERTAINMNET Album Title : SISTAR 1st Album Title Song : So Cool .br 씨스타 가식걸 MV with 슈퍼주니어 김희철, 김경진) casting : Super junior Heechul, kim kyungjin Sitar 2nd Single album [Shady Girl] STARSHIP.Entertainment .