Most people, when they reach their mid-50s, would be happy to celebrate their birthday with a nice meal and good friends. Not Madonna, however.

The singer celebrated turning 56 by throwing a decadent, star-studded 1920s-themed party in a luxurious Cannes villa.

And the star guest (apart from Madonna, of course)? Everyone’s favourite party girl, Kate Moss.

Madge posted a picture of her and the supermodel, after what looks like more than a few glasses of champagne, with the caption ‘Bow down B***hes!’ #whatitfeelslikeforagirl. Oh, to be a fly on that wall…