Called Green Light, it's slightly disorientating on your first listen - the shift from the sadballad verse to the house piano bridge to the arms-akimbo glitter cannon chorus is somewhat odd. But stick with it, you'll be honking your horn every time it comes on the radio.
I've written extensively about the song over on the BBC, so I won't bang on about it here any more. Here's the video. Don't try this at home, kids.