Kanye West says Justin Bieber released his favourite song of 2015

Kanye West revealed on Twitter on Sunday that Justin Bieber had his favorite track of the past year.

''What do you mean by @JustinBieber was my favorite song of 2015,'' he wrote.

The 38-year-old rapper hinted to his fans that they should be expecting a lot more music from him soon.

He wrote, ''No more fashion calendar… I'm going Mad Max… 6 collections a year…3 albums a year''