hyein ver[#hyein #newjeans ] Hyein (Lee Hye-in) is a South Korean singer and model, best known as the youngest member (maknae) of the globally popular K-pop girl group NewJeans. ​Born on April 21, 2008, she debuted with the group in July 2022 under the label ADOR (a subsidiary of HYBE). Despite her young age, she has been praised for her powerful vocals, sophisticated stage presence, and "model-like" visuals.