South Korean pop sensation best known as a former member of all-girl group 4Minute, which disbanded in 2016. She also performs in the duo Trouble Maker. In 2017, she was announced as a member of the trio Triple-H.
She graduated from the Korea High School of Music and Arts. Her first group was called Wonder Girls.
Her full name is Kim Hyun-ah. She has two younger sisters and is close with her mother. She has been in a relationship with Pentagon's E'Dawn since May 2016.
She was briefly a member of the Wonder Girls with Sunye Min.