Bio

• Yoonchae Jeung, professionally known as Yoonchae, is a talented South Korean singer and the youngest member (maknae) of the global girl group KATSEYE, which was formed through a collaboration between HYBE and Geffen Records.
• Age: She was born on December 6, 2007, in Sinjeong-dong, Yangcheon-gu, Seoul, South Korea, where she grew up before pursuing her idol career. She is currently 18 years old as of 2026. 
• Height & weight: She stands at 5 feet 7 inches (170 cm) tall, making her one of the taller members in KATSEYE and weighs around 52 kg (115 lbs).
• Relationship Status: She is single, with no confirmed or public romantic relationships reported in recent updates or media coverage.
• Boyfriend Name: There is no known boyfriend or any public information about a romantic partner, since Yoonchae, like most young idols, maintains privacy in her personal life to focus on her group commitments and career growth.
• Career: Yoonchae began her journey as a trainee around age 12, initially training at WakeOne Entertainment for two years before joining HYBE in 2023, where she participated in the 2023 survival show The Debut: Dream Academy and placed 4th to debut with KATSEYE on June 28, 2024; since then, she has contributed as a vocalist and performer to releases like the debut EP SIS (Soft Is Strong), appeared in the Netflix documentary Pop Star Academy: KATSEYE, and continues to build her presence in the global music scene with her calm demeanor, bilingual skills, and admiration for idols like BLACKPINK’s Jennie.