Dongwoon, who was born on June 6, 1991, is now 25 years old (26 years old in Korea). The B2ST hyungs all wished the maknae a happy birthday on their respective Instagrams, each member uploading a special image and a message. Junhyung even shared a cute childhood photo of Dongwoon!
You can take a look at the Instagram posts below. Oh, and don't forget to say happy birthday to Dongwoon!