Gwen Stefani, the singer, was on US radio today promoting 'Baby Don't Lie' — a song you can buy there on iTunes — and while there she let them play a bit of a new song called 'Spark The Fire'.
It was produced by Pharrell Williams (of course it was) and will likely be a single given that she's apparently already made a video for it.
The song features the lyric "OMG OMG I'm back again" and sounds like this:
Could be good. 2017 UK release?