Billboard ranks BTS 19th on list of 'Greatest Pop Stars of the 21st Ce… ArirangNews 0 16 09.11 21:50 https://www.youtube.com/watch?v=lmRdLxrZedA + 14 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 0 Billboard ranks BTS 19th on list of 'Greatest Pop Stars of the 21st Century'