[3] In 2011, Jeong was a contestant on the South Korean television talent show series Superstar K 3, where she appeared with her school friend and fellow K-pop idol Bae Suzy.

[4] Jeong made her debut in August 2014 as the vocalist of the South Korean girl group Laboum.

[5] Aside from her group activities, she has participated in a number of soundtracks for South Korean television series since early in her career.

[5] In 2016, Jeong was a cast member and contestant on the South Korean television singing competition Girl Spirit.

[7][1] She successfully passed the audition and became a member of the Gaya-G sub-unit, which went on to claim a first place all-kill on South Korean music charts.