South Korean singer and rapper best known as a member of the girl groups Sistar and Sistar19. The former released their debut single, "Push Push," in 2010. In 2016, she began appearing on the TV dance survival competition Hit The Stage.
She debuted in Sistar on KBS Music Bank in June 2010.
She studied at Myongji University, majoring in music.
She has a brother, Yoon Jae Suk. She was close with her father, who passed away in 2015. She has been dating fellow rapper Oh Kwang-suk since 2017.