Son Ji Hyun is a South Korean singer and actress best known for being a member of the K-pop girl group 4Minute. Born on January 9, 1990, she debuted with 4Minute in 2009 and serves as the group's leader and a vocalist. In addition to her music activities, Son Ji Hyun made her acting debut in a minor role in the 2010 television drama "It's Alright, Daddy's Daughter. Formerly she was known as Nam Ji Hyun.
