Kim Hyo-jung, better known by her stage name Hyolyn, is a South Korean singer-songwriter now under the management of her own self-started production company Bridʒ. She is best known as a former member and leader of the South Korean girl group Sistar and their sub-unit Sistar19.
On June 3, 2010, Hyolyn made her debut as a member of Sistar with their debut single, "Push Push". In early 2011, Hyolyn and group member Bora formed the sub-group Sistar19. They released the successful single "Ma Boy" in 2011. Their first EP Gone Not Around Any Longer, with a title track of the same name, was released in January 2013 and was met with success on several music charts. After seven years as a group, it was announced on May 23, 2017, that Sistar was to disband. Not long after Hyolyn announced her departure from Starship Entertainment, she founded her own music label, Bridʒ and starts her solo career