Lee Seung-hoon, better known by the mononyms Seunghoon and Hoony, is a South Korean rapper, singer-songwriter, choreographer and member of South Koreanboy groupWinner. He is well known for his appearance in the first season of SBS' reality survival program K-pop Star.
In 2011, Seunghoon successfully auditioned for SBS' K-pop Star, a music audition program. He made it to the top 10 before being eliminated in the 7th Live Round on April 15, 2012, placing fourth overall. He went on to appear on the May 8 episode of SBS's Strong Heart along with other finalists. On May 16, 2012, it was announced that Seunghoon had signed an exclusive contract with YG Entertainment and would shortly thereafter become a trainee. On May 19, he performed at the Youth Festival in Yeouido, Seoul. He was also photographed by Moke Najung for a spread in Vogue Girl Korea's June 2012 edition entitled "Boys Like Girls", alongside fellow K-Pop Star contestant Park Jae-hyung.
2014–present: ''Win: Who is Next?'', Winner, and Solo Activities
On February 25, 2013, it was announced the Seunghoon would debut as part of a new YG Entertainment group. On August 1, he appeared in a dance performance uploaded onto YG Entertainment's YouTube Channel. Shortly after, he participated in the Mnet reality-survival program WIN: Who is Next? in order to debut with the other members of the trainee group "Team A". On October 25, it was announced that Team A had won the program and would debut under the name "Winner". The group made their first live stage performance on November 15, opening for Big Bang during their concert at the Seibu Dome in Saitama, Japan. Winner released their debut album, 2014 S/S, on August 12, 2014. Upon debut, "Empty" topped all South Korean charts as well as all ten tracks from their studio album dominated the top 10 spots in MelOn, South Korea's largest music streaming service further earning the group the title "Monster Rookies". Seunghoon was cast for the second season of a tvN program Eat, Sleep, Eat: Krabi in 2016. In February 2018, Seunghoon was confirmed as part of the cast for Law of the Jungle in Mexico. During the same year, Seunghoon also became a dance coach/mentor in KBS variety program, Dancing High that focuses on teaching and mentoring the teens in Korea about dance.