Hollywood power couples aren’t always blessed with fairy tale relationships – as we’ve witnessed with the likes of Angelina Jolie and Brad Pitt, and with the recent Johnny Depp and Amber Heard court case. While Depp decides how best to move on since the winding up of that drama, we don’t need much to be reminded of that high-profile slap at the Oscars that shocked the world in March, about which questions remain – chiefly, what made Will Smith lose his cool to that extent?