Kim Hyuna (Korean: 김현아), also known as HyunA, is a renowned South Korean singer and model. She became the first South Korean solo artist in YouTube history to reach over 1 billion views for her music video. She debuted in 2007 as a member of JYP Entertainment's girl group Wonder Girls, and later re-debuted in 2009 as a member of Cube Entertainment's girl group 4Minute, serving as a rapper and center.
