Kim Hyo Jung, better known by her stage name Hyolyn, is a South Korean idol singer and actress. She is best known as the leader of the girl group, Sistar, and their sub-unit Sistar19.
SISTAR official debuted with the song "Push Push" on 3 June 2010 and officially disbanded in May 2017. Hyolyn left Starship Entertainment in September 2017
In November 2017 she announced her own agency named Bridge.
On January 12, 2022, she released the single "Layin’ Low".
(Source: Wikipedia)