Kpop: Sistar(씨스타)

Sistar is a four-member group which has esxisted since 2008, and have quite a few songs under their belt. Som quite fun, and let me challenge you to a guessing cometition: whatch the videos and tell me what their "thing" is, their "gimmick". ^_^
Update: Their "Give it to me" was in my opinion the best kpop song of 2013.

• Sistar - Give it to me
• Sistar - I Like It
• Sistar - Alone
• Sistar - Push Push
• Sistar - Shady Girl
• Sistar - How Dare You
• Sistar19 - Ma Boy (subgroup of Sistar)
• Sistar - So Cool