ZE:A's Kwanghee wrote a thoughtful message to EXO's Suho (Kim Joon Myun), wishing him a happy 23rd birthday!

On May 22, Kwanghee updated his SNS, "Su Ho, Joon Myun, happy birthday," and uploaded pictures of the two together, looking like the closest friends!  They lean in close and Kwanghee even slings his arm around Suho's shoulder as they smile brightly at the camera.

SEE ALSO: Fans celebrate the birthday of EXO's Suho

Make sure you wish Suho happy birthday, too, if you haven't already!