Seohyun (Hangul: 서현; born on June 28, 1991 in Seoul as Seo Joo-Hyun 서주현) is a South Korean K-pop singer and entertainer as a member of the girl group 소녀시대 Seohyun released various singles with 제시카 (Jessica) and 티파니 (Tiffany) — the first called "Oppa Nappa" (Korean: "오빠 나빠", Bad Older Brother) and the second titled "Mabinogi (It's Fantastic!)", a theme song for a video game. On February 17, 2009, Seohyun sang a duet with trot Joo Hyun-mi (feat. Read more on Last.fm