Kim Hyun Ah (Hangul: 김현아; Hanja: 金泫雅), born June 6, 1992, better known by the mononym HyunA (현아), is a dance-pop/hip-hop artist from Seoul, South Korea. Though popularly known as the main rapper and dancer of the girl group 4minute in 2009, she made her debut as a member of Wonder Girls in 2007 before leaving for health reasons. Hyuna made her solo debut on January 4, 2010 with Change (feat. 용준형 from BEAST). She followed up with Bubble Pop! on July 5, 2011. The same year, she became one half of the award-winning co-ed sub-unit, Trouble Maker, on December 1, 2011. Read more about 현아 on Last.fm.