So they're definitely back together then. And don't they look chuffed with themselves. Apparently they've forgotten the reason why they split (she courted fame too much for his liking, or something) and are now larging it up at a very low key affair. Ora's saucy Instagram pic obviously worked its magic.

If you fancy Rita's dress, it's by Lanvin, while Calvin Harris is sporting Armani. We'll have all the action from the red carpet very shortly, we just wanted to bring you this most important reunification news ASAP. Katy Perry came straight from her wedding to a Music Sheet, and Madonna brought her Mini Me...