AOA (Hangul: 에이오에이; an acronym for Ace of Angels) is a South Korean idol girl group signed under FNC Entertainment. Initially, AOA debuted as an eight-member girlband that consisted of Choa, Jimin, Yuna, Youkyung, Chanmi, Hyejeong, Seolhyun, and Mina. Currently, AOA is promoting as a seven-member idol girl group without Youkyung, who was only a part of AOA Black. The group officially debuted by having their debut music stage on August 9, 2012, on M! Countdown.