One Day spawned two boy bands, 2AM and 2PM, the latter of which Taecyeon became a member of.
Six months after Hot Blood was aired on TV 2PM debuted with their first single "10 Points out of 10 Points" from their first EP Hottest Time of the Day, but it wasn't until their second EP PM Time For Change that their success in the Korean music industry skyrocketed.
A week later he was chosen for the final 35 and got the call to go to South Korea to go further in the competition.
At first Taecyeon applied to become a model, but the judges suggested he try dancing and singing.
It was his sister Jihyen who persuaded him to participate in a JYP Entertainment audition, whose promotion she had noticed when surfing on the Internet.
After his reluctant agreement to participate, both headed for New York City on his 17th birthday.
Korean media outlet, Dispatch has reported that EXO’s Baekhyun and Girls’ Generation’s Taeyeon have been dating for almost 4 months now in secrecy.
Apparently their interest in each other was sparked back in October, 2013.
In 20 he underwent surgery to correct the disk as well as to remove pins in his upper arm from a serious break in 2013.In 2015, Taecyeon was cast in KBS' political drama Assembly.He plays an aspiring police officer who studies at the library to pass his entrance exams by day and works as an official’s chauffeur by night.The title song “Wings” featured penned rap lyrics written by Taecyeon.The second song, a remake of Lee Gwangjo's “A Night Like Tonight" was also included in the performance, with an original rap written by Taecyeon himself.