The BTS Army is eating up the K-pop group's newest single, "Butter." BTS posted the song's official music video on YouTube on Thursday, May 20. It hit 108.2 million views within a day of its release.
(In 2020, the Billboard staff updated our originally 2018-released list project, which selected a Greatest Pop Star of every year going back to 1981. Read our entry below on why BTS was our Greatest ...