TVXQ's Changmin�is not the only one�celebrating his birthday�on February 18 in Korea.�BTS's j-hope is also celebrating his birthday, his 20th (21st in Korea) at that! �This means he has finally left his teen years behind.

SEE ALSO: Fans celebrate the 26th birthday of TVXQ's Changmin

Fans are celebrating on Twitter with "#BTSJHOPEDAY," which is trending all over the world in Asian countries like Japan, Vietnam, and Thailand. �Unsurprisingly, it had also made an appearance on the worldwide trending list. �

Wish him a happy birthday by writing the hashtag and your congratulations on Twitter! �