Singer and actor Jung Chae-yeon (right) is smiling at the production presentation of the Netflix drama 'First Love is the First Time' held at the Conrad Seoul Hotel in Yeongdeungpo-gu, Seoul on the 12th.
About Jung Chae-yeon
Jung Chae-yeon, known mononymously as Chaeyeon, is a South Korean singer and actress signed under MBK Entertainment. She is best known for being a member of the South Korean girl group DIA, and for finishing 7th in the survival show Produce 101, making her a member of I.O.I.
 Wikipedia