Choi Hyo-jung (Korean: 최효정; born on July 28, 1994), [1] better known mononymously as Hyojung is a South Korean singer. She is the leader of the South Korean girl group Oh My Girl. [2] [3]

OH MY GIRL (오마이걸) is a 6-member South Korean girl group, consisting of Hyojung, Mimi, YooA, Seunghee, Yubin, and Arin. They debuted on April 21, 2015, under WM Entertainment. OH MY GIRL Official Logo: YooA is living with her parents. (The Manager Ep. 123)

591K Followers, 84 Following, 391 Posts - 오마이걸 효정 (@candyz_hyojung) on Instagram: "ohmygirl_hyojung"

Birth Name: Choi Hyo-jung (최효정) Birthday: July 28, 1994 Zodiac Sign: Leo Birthplace: Yangyang, South Korea Height: 158 cm (5’2″) Weight: 42 kg (93 lbs) Blood Type: AB Sub-Unit: Oh My Girl Banhana Instagram: @candyz_hyojung Youtube: 쩡이언니

Choi Hyo Jung (최효정) mononymously known as Hyojung (효정) is a South Korean singer and songwriter. She is the main vocalist and group leader of OH MY GIRL. She released her debut special single on December 18 by the title of Christmas Night Train.

Choi Hyo Jung is a South Korean singer, dancer, musical actress, and member of OH MY GIRL (오마이걸). She graduated from Woosung High School and later obtained an associate's degree in K-Pop from Dong-Ah Broadcasting Arts University.

Hyojung (효정) is a South Korean singer under WM Entertainment. She is the leader of the girl group OH MY GIRL and its sub-unit OH MY GIRL BANHANA. She debuted as a member of OH MY GIRL on April 21, 2015 with the group's self-titled debut mini album.