6. 4 minute

4minute is a South Korean girl group Founded by Cube Entertainment in 2009. The band has four members (Nam Ji-hyun, Ga-yoon, Jeon Ji-yoon, Hyuna and Kwon So Hyun).
4 minute formed in May 2009 with her first single "Hot Issue". This group has become famous in 2010.

Nam Ji-hyun, Ga-yoon, Jeon Ji-yoon, Hyuna and Kwon So Hyun