Justin has been really complimentary of Zayn's new music.
Hot news: a source revealed, that Justin Bieber and Zayn Malik are going to work on new music. There have been tentative negotiations about two musicians teaming up with each other.
Now they are in touch and discuss their possible future creative work. If they have an understanding, their joint work will be the one that has never happened before.
Fans are dying to hear it.