BTS’s J-Hope treated fans to a special birthday ... Jungkook and Jimin. The trio’s unexpected reunion brought even more joy to fans who had been eagerly anticipating the celebration.

The event marked his first birthday celebration with fans since being ... broadcast was an unexpected phone call from BTS members Jimin and Jungkook, who are currently serving in the military.

"What we wanted to do was find a way for all of these people [whose lives Jimmy has impacted] to weigh in," Jason Carter says of the goal behind his grandfather's collaborative birthday present ...