Jung Chaeyeon 정채연 is the visual of Dia.
Chaeyeon was born on Monday, December 1, 1997.
Like fellow members Yebin and Eunjin, she was born in the Chinese Year of the Ox. She’s a Sagittarius. She’s 166 cm or 5'5½" tall, like Eunice and Huihyeon.
She attended Seoul School of Performing Arts, where Jenny and Eunjin also went.
Prior to debut, Chaeyeon made a cameo appearance in Elsie’s music video for “I’m Good,” In October 2015, she had a cameo appearance in T-ara’s web drama “Sweet Temptation.” In December 2015, she temporarily withdrew from Dia to represent MBK Entertainment on Mnet’s survival show “Produce 101,” having signed a contract with the show before her debut. She placed seventh overall in the finale and debuted as part of the 11-member girl group I.O.I. I.O.I released two mini-albums, Chrysalis and Miss Me?
On June 30, 2016, Chaeyeon was cast in the tvN drama “Drinking Solo.”
She’s in Dia’s BinChaeHyunSu sub-unit.
There’s some dispute over whether she was born in Suncheon, South Jeolla, or in Kyunggi, Seoul.