Jung Chae Yeon, also known as Chaeyeon, is a South Korean singer and actress. Born on December 1, 1997, she debuted with the girl group DIA in 2015 and then competed in the reality show “Produce 101.” She finished seventh in the show, which also placed her in the new group I.O.I. Jung Chae Yeon made her acting debut in the 2015 web drama “Sweet Temptation” and has also appeared in “Drinking Solo” (2016), “109 Strange Things” (2017), “I Am” (2017) and “Marry Me Now” (2018).