Seohyun, known professionally as Seo Hyun, is a South Korean singer-songwriter, dancer, actress, and member of GIRLS’ GENERATION (소녀시대; also known as SNSD). She graduated from Jeonju Arts High School and later obtained a bachelor’s degree in Theater from Dongguk University.

She joined SM Entertainment (SM엔터테인먼트) in 2003 after being scouted on the subway and passing the audition at the agency by singing children’s songs.

She made her debut in August 2007 as the group’s lead vocalist and maknae with the single “Into The New World”, part of their self-titled album “Girls’ Generation”, released in November of that year. They have been labeled as “The Nation’s Girl Group”. They rose to fame in 2009 with the single “Gee”, which claimed the top spot on KBS’s “Music Bank” for a record-breaking nine consecutive weeks and was Melon’s most popular song of the 2000s decade.

In April 2012, she debuted as part of the group’s first sub-unit, GIRLS’ GENERATION-TTS (소녀시대-태티서; also known as TAETISEO), alongside Tiffany and Taeyeon. They released their debut EP, “Twinkle”, and she became involved in songwriting.

Individually, she began appearing in several variety and reality shows. Then, she was cast as a voice actor for the South Korean-dubbed versions of the animated films “Despicable Me” (2010) and “Despicable Me 2” (2013). In 2014, she made her debut as a musical actress with the lead role in “Moon Embracing the Sun”.

She made her debut as a solo artist in January 2017 with the EP “Don’t Say No,” and in October 2017, she decided to leave SM after not renewing her contract.

On April 24, 2025, Namoo Actors (나무엑터스) announced that she parted ways with the agency.

On May 15, 2025, LEAD Entertainment announced that they had signed an exclusive contract with her.

On December 9, 2025, she signed an exclusive contract with KKUM ENT.

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Seohyun is a Korean actress and singer. The way she gets famous is through her participation in K-pop group Girls’ Generation. She made her start in 2007 with the release of her first EP, “Love & Peace”. Ever since that album, there’s been no stopping her. Fans and critics both love everything she releases from multiple albums to solos. No matter how much pressure she’s put under as a K-Pop idol, she never forgets herself. Through all her music and work, she signifies hope and determination that inspires many others too.

Seohyun Career

Seohyun Career Beginnings: (2007-2011): In August 2007, the group gained significant popularity after the issue of their hit single “Gee” in 2009.

Seohyun Started Musical Acting: (2012-2016): In April 2012, Seohyun, along with fellow members Taeyeon and Tiffany, formed a Girls’ Generation subgroup named TTS. 

Seohyun Solo Debut: (2017-2018): In January 2017, Seohyun developed the third Girls’ Generation associate to announce a solo album, with the release of her entrance extended play titled Don’t Say No.

Seohyun Continued Acting Career: (2019): In March 2019, Seohyun signed with Namoo Actors. A year after signing with new agency, she starred in the short drama Hello Dracula. She played the role of Anna, and primary school teacher who hid her feelings from her mother since the day she learned that she was a lesbian.

Seohyun Starred in the KBS Fantasy Romance Series: (2022): In June 2022, Seohyun starred in the KBS fantasy romance series Jinxed at First; she played the character Lee Seul-bi, who has the unique ability to see the future of any person she touches.

Seo Controversy

29th Jan 2023, at the time, fans complained about her behavior was rude towards Seo as he refused to touch her hands and didn’t even smile at her. 

On 27th Feb 2023, Seo came under fire last year for forcing her ex-boyfriend Kim Jung-hun to get the script for his television show, Time, modified.