Wikipedia
Kim Hyuna (; born June 6, 1992), better known by the mononym Hyuna, stylized as HyunA, is a South Korean singer, dancer, songwriter and model. She was previously a member of the Korean girl group, 4Minute, was one of the first five original members of Wonder Girls, as well as one-half of the musical duo, Trouble Maker, and has also led a successful solo career.
Hyuna first rose to fame in the Korean girl group Wonder Girls, before she left in 2007. In 2008, she signed with Cube Entertainment and subsequently debuted with 4Minute a year later. Their debut single, " Hot Issue," was immediately successful as it grabbed attention from the public even before their debut stage. She also has a notable solo career, having several hit songs such as "Bubble Pop" and "Red". She is also well known for her appearance in Psy's worldwide hit, " Gangnam Style", which also led to a successful duet rendition of the song. She describes her solo career as "performance-oriented music."