효정
최효정
Choi Hyojung
오마이걸
OH MY GIRL
崔效定
Чхве Хё Чон
Хёчон
Choi Hyo Jeong
Hyojung
Choi Hyo-jung, Acting
Anyang, Gyeonggi, South Korea | 1994-07-27
Choi Hyo-jung, mononymously known as HyoJung, is a South Korean singer and songwriter. She is the main vocalist and team leader of OH MY GIRL.