Choi Jin-ri (March 29, 1994 – October 14, 2019), better known by her stage name Sulli, was a South Korean singer, songwriter, actress and model. She first gained attention as a child actress, playing the young Princess Seonhwa of Silla in the SBS drama Ballad of Seodong (2005). In 2009, Sulli debuted as a member of South Korean girl group f(x). She left the group in 2015 to focus on her acting career. After a three-year long hiatus, Sulli resumed her music career with a feature on Dean's 2018 si ...