hyolyn sistar

On June 3, 2010, Hyolyn made her debut as a member of Sistar on KBS' Music Bank with their debut single, "Push Push". shake it sistar In early 2011, Hyolyn and group member Bora formed the sub-group Sistar19 They released the successful single "Ma Boy" in 2011 and on October 17, 2011, Hyolyn released the single "Ma Boy 2", featuring Electroboyz