Two favorites of teen pop - Justin Bieber and K-pop superstars BTS - are collaborating on a new song

A thermonuclear pop-bomb is about to go off, it seems.

Two favorites of teen pop - Justin Bieber and K-pop superstars BTS - are collaborating on a new song

“They are taking their time on it and going to make sure it is released right,” says the source.

The collaboration seems to be the result of a merger between the artists’ respective record companies.

Earlier this month, the boy band’s record label, Hybe — formerly known as Big Hit Entertainment — bought Scooter Braun’s Ithaca Holdings for a reported $1 billion. Braun, whose roster also includes Ariana Grande, Demi Lovato and J Balvin, will join the board as part of the deal, reported Deadline.