Jung Chae-yeon, known mononymously as Chaeyeon, is a South Korean singer and actress. She was known as a member of the girl group DIA and also a member of project girl group I.O.I after finishing 7th in the survival show Produce 101. She is also currently active as an actress, best known for her lead roles in the television series To. Jenny (2018), My First First Love (2019), and The King's Affection (2021).
