Diplo, has teased a new Major Lazer track "Cold Water..."

via BFA

...featuring not only his Jack Ü, siren, Justin Bieber, but also past M.L. conspirator, MØ.

The producer spoke about the song on his new Beats 1 show, Lazer Sound.

Biebz and Dip had a little bro-sesh on Twitter, regarding the track.

Benny Blanco joined in, as well.

Cool!