Youngest member of South Korean girl group Girls' Generation, known by her stage name Seohyun. She has also pursued a solo career, releasing songs like "Oppa Nappa." She is joined in Girls' Generation by Taeyeon, Yoona, Tiffany, Yuri, Sunny, Hyoyeon, Sooyoung and Jessica.
She was a trainee for SM Entertainment.
She is fluent in Chinese and Korean and can speak conversational English and Japanese.
Her mother worked as a piano school director.
She was matched with CN Blue's Jung Yong-Hwa in the show We Got Married.