Updated: Apr 7, 2020
Here we see him practicing the names of the BTS Members with an ARMY chant.
Justin Bieber posted on his Instagram today the BTS Army fan chant of the members' names. His caption was “officially lost my mind”. For many Army this is what happened when they first saw Bangtan Sonyeondan 방탄소냔단 perform so they find it perfectly understandable.
https://www.instagram.com/p/B-qjSZUnGEw/
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