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.
Known For: Acting
Birthday: 1994-07-27
Place of Birth: Anyang, Gyeonggi, South Korea
Also Known As: 효정, 최효정, Choi Hyojung, 오마이걸, OH MY GIRL, 崔效定, Чхве Хё Чон, Хёчон, Choi Hyo Jeong, Hyojung