Seo-hyun is a South Korean singer and actress, best known as a member of the popular girl group Girls' Generation. Born on June 28, 1991, she debuted with the group in 2007 and gained fame for her vocal talent and stage presence. Seo-hyun has also pursued a solo career, showcasing her skills in various music genres. In addition to her music career, Seo-hyun has appeared in several television dramas and films, demonstrating her versatility as an actress. She has received recognition for her performances in productions like Moon Lovers: Scarlet Heart Ryeo and Private Lives. Seo-hyun continues to be a prominent figure in the South Korean entertainment industry.