Oak Joo Hyun

Ock Joo-hyun (Korean: 옥주현; sometimes spelled Ock Ju-hyun; born March 20, 1980) is a South Korean singer and musical theatre actress, known mostly for her role as the lead singer of the South Korean girl group Fin.K.L. After their unofficial breakup in 2002, Ock released three solo albums and has participated in musicals, namely Wicked, Aida, Chicago, Cats, 42nd Street, and The Count of Monte Cristo.