1. Jung Chae-yeon, known mononymously as Chaeyeon, is a South Korean actress and singer.

1. Jung Chae-yeon, known mononymously as Chaeyeon, is a South Korean actress and singer.
Jung Chae-yeon is currently active as an actress, best known for her lead roles in the television series To.
Jung Chae-yeon was born on December 1,1997, in Suncheon, South Jeolla Province, South Korea.
Jung Chae-yeon attended School of Performing Arts Seoul from 2013 to 2016, with former DIA member Ahn Eun-jin, where she graduated on February 4,2016.
In December 2015, MBK Entertainment announced that Jung Chae-yeon temporarily withdrew from the group to join the trainee survival program Produce 101, which she had auditioned for and signed contracts with before DIA officially debuted.
Jung Chae-yeon's casting in tvN's Drinking Solo was confirmed on June 30,2016, marking her acting debut.
Jung Chae-yeon was revealed as the new face of jewelry brand Lamucha that same week, signing a one-year 200 million won contract.
In December 2016, Jung Chae-yeon was cast in the science fiction web drama 109 Strange Things, co-starring with Choi Tae-joon.
Jung Chae-yeon plays the role of senior philosophy student Shin Ki-won whose family takes in KDI-109, a robot from the future.
Jung Chae-yeon began modelling for Jill Stuart New York in January 2017.
In 2017, Jung Chae-yeon featured in SBS's romantic fantasy drama Reunited Worlds, playing the younger version of Lee Yeon-hee's character.
Jung Chae-yeon then starred in another science fiction web drama I Am, playing an android robot.
In 2018, Jung Chae-yeon starred in KBS' weekend drama Marry Me Now, playing the younger version of Jang Mi-hee's character.
Jung Chae-yeon was cast in her first film, Live Again, Love Again, which premiered in February 2018.
In 2019, Jung Chae-yeon starred in the Netflix youth romance drama My First First Love.
In 2022, Jung Chae-yeon joined MBC's drama The Golden Spoon, which aired in the summer of 2022.
On December 13,2023, Jung Chae-yeon confirmed to star in a youth series Family by Choice, which is expected to air in 2024.