BTS: New trailer with Halsey for Boy With Luv
More than 14 million people have watched a clip on YouTube after BTS announced they're pairing up with Halsey for an exciting collaboration.
The two acts will sing together on a new single called "Boy With Luv" which also features on the upcoming BTS album, Map of the Soul: Persona.
Across social media BTS fans are voicing their excitement and "shock" at the announcement.
Within the first hour the clip already had 1.3 million likes on YouTube - and now it's off the scale!