Justin Bieber Performance 2011: Seo Hyun

Seohyun (born on June 28, 1991 in Seoul as Seo Joo-Hyun ) is a South Korean K-pop singer and entertainer as a member of the girl group Girls' Generation. She was appointed by the Seoul Metropolitan Office as their goodwill ambassador for student fitness. Seohyun was born on June 28, 1991, in Seoul, South Korea. She is an only child. She attended Seoul Middle School and Daeyoung High School, then transferred to Jeonju Arts High School, from which she graduated on February 9, 2010 with the Achievement Award and currently attends Dongguk University with her fellow member, Yoona. Seohyun's major is acting. She has been taking lessons on jazz piano. Seohyun was discovered in the 2003 SM Casting System. Seohyun released various singles with Jessica and Tiffany — the first called "Oppa Nappa" (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. Davichi) called "JjaRaJaJja".

The song earned a nomination from the 2009 M.net Asian Music Awards for Trot Music of the Year. She sang the song "S.E.O.U.L." with Super Junior's Kyuhyun, Ryeowook, Sungmin and Donghae and fellow Girls' Generation members Taeyeon, Jessica, Sooyoung and Sunny. Super Junior's Siwon, Leeteuk, Shindong also appeared in the music video uploaded in SM entertainment's Youtube account. She also sang the song for Caribbean Bay with her fellow members Taeyeon, Jessica, Tiffany and Yuri and with 2PM. She sang a song in the official soundtrack of a MBC drama, Kim Soo Ro entitled, "It's Okay Even If It Hurts". It was heard on its 6th episode as the final song. The single was released on June 25, 2010. She has done a special duet performance in the SMTown Live '10 World Tour with Super Junior's Kyuhyun entitled "Call My Heart Out". On August 29, 2010, Seohyun joined her virtual husband Jung Yong Hwa on stage, and the couple had a dual stage performing Girls' Generation’s "Run Devil Run" and C.N.Blue’s "Love Light" in the Incheon Korean Music Wave 2010. The concert was shown September 4, on MBC's Show! Music Core. In October 2010, Seohyun was one of the twenty idols from different South Korean groups that recorded the song, "Let's Go", for the purpose of increase public participation in 2010 G-20 Seoul summit. She provided vocals along with label-mates Sungmin, Jonghyun and Luna. She has also featured in SBS’s 2010 Gayo Daejun special maknaes (youngest members) performance of Britney Spears' "Circus". In 2011, she was a featured artist in TVXQ's fifth studio album, Keep Your Head Down with the song "Journey". Also, the song is for the OST of Paradise Ranch.