Boyfriend's vocalist Hyunseong celebrates his 23rd birthday today and he pours his gratitude to their fans.

He writes on his twitter, "It's a grateful day! I spent a fun birthday this year again because of our Bestfriends❤  Everyone thank you very much️~^^."

Along with the message, he also takes photo with the birthday cakes which fans sent him and a lifesize stuffed toy. Happy birthday!