Yoonchae Jeong
Age: 17 years old
Born: December 6, 2007 in Seoul, South Korea
Born: December 6, 2007 in Seoul, South Korea
Jeong Yoon-chae (정윤채; born December 6, 2007) is a South Korean singer under HYBE and Geffen Records. She is a member of the girl group KATSEYE.
