We asked one simple question: who ruined what? It all started with Pat Monahan from Train crashing Bon Jovi's performance of Livin' On A Prayer, before we spiralled into the celebrity cameos and performances we'd happily erase forever. From Ed Sheeran popping up in Game of Thrones to Meghan Markle making Ricki lose interest in MasterChef, this turned into a very passionate debate about people who just couldn't stay out of the spotlight.