Kim Hyo-jung (Korean: ê¹€íš¨ì •; born December 11, 1990), better known by her stage name Hyolyn (효린), is a South Korean singer and songwriter. Currently, she is under the management of BridÊ’, a production company she founded herself. She is a former member of the South Korean girl group Sistar and their sub-unit Sistar19.
