Kang Sung-yeon (born July 21, 1976) is a South Korean actress. Kang made her acting debut in 1996 through MBC's Open Recruitment. Although her main profession was acting, she also contributed songs to several soundtracks and released two albums in 2001-2002 under the stage name Bobo. Then in 2005, Kang rose to fame when she played Prince Yeonsan's concubine Jang Nok-su in "King and the Clown", a period film that drew 12