It is February 18 in Korea which means that it is also the birthday of TVXQ's Changmin! He has turned 26-years-old (27 in Korea) and fans all over the world are celebrating on Twitter.

Hashtags such as "#HappyBirthdayChangmin," "#HappybirthdaypreciousChangmin," "#HappybirthdaystrongChangmin," and more are topping the trends not only in Asian countries like Japan, Indonesia, and Thailand but also worldwide!

Make sure you join in on the celebrations by wishing Changmin a happy birthday via Twitter.