Spotify as audio source for AW

Want to use Spotify as audio source for AW and output to a Bluetooth Speaker. 

All this on the same PC, is this possible? 

Have only managed to select line in or local files as audio source.

I''m doing this now by using an external client (mobile phone) running Spotify -> line in to PC/AW -> BT Speaker., but would like to skip the phone and do all this on the same PC.