BTS Army celebrates JungKook's birthday after K-Pop band completes 3,000 days
BTS is globally one of the most popular boy bands, whose members are RM (Kim Namjoon), Jin (Kim Seokjin), Suga (Min Yoongi), J-Hope (Jung Hoseok), Jimin (Park Jimin), V (Kim Taehyung) and JungKook...