Happiest Birthday to our rapper, producer, vocalist of STRAYKIDS, Seo Changbin. Right on today Wednesday, August 11th 2021, twenty two years ago a handsome guy with a beautiful smile was born. Thank you for being born in this world. Best wishes for you and god always blessing you. You always make people proud of you. Lets celebrate your birthday with a lots happiness, joy, and fun!! And also Happiest birthday to all Seo Changbin rp-ers.