Ki Hui-hyeon
Actor| Birthday | Jun 16, 1995 (29 years old) |
| Place of birth | Namwon, North Jeolla, South Korea |
| Gender | Female |
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
Known for
Acting
Participated in 1 movies, 4 TV series