- Known for
- Acting
- Born
- Jun 16, 1995 (31 years old)
- Place of birth
- Namwon, North Jeolla, South Korea
Ki Hui-hyeon
Ki Hui-hyeon, better known by the mononym Huihyun and former stage name Cathy, is a South Korean singer. She is best known as a member of the South Korean girl group DIA
