Sia and Kanye West have collaborated, and we're seriously loving it.
The song, Reaper, is co-written and co-produced by Kanye West.
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The track features on Sia's upcoming album, This Is Acting, which is made up of songs originally written for other artists and is released 29 January 2016.
Sia and Kanye West previously worked together on his song Wolves, which featured in the rapper's New York Fashion Week show last year.
