We are never, ever, ever getting back together (unless it's to collab)

Although most people could think of nothing worse than having to work with an ex, former lovers M.I.A. and Diplo recently announced their first collaboration since Paper Planes. Inspired by this display of maturity, we take look at other famous exes who have managed to put their past aside and get things done. 

MIA & Diplo release new track (and more of the best ex-collaborations)