“Just a quick one - and not really a celebrity – but while working for a news agency in Africa, I was once tasked with interviewing the deputy president of southern Sudan. Which was exactly as dull as it sounds. Until the interview ran over, and I pushed my luck with a final cheeky question. Staring at me from his tiny throne, the tinpot politician fixed me with a glare and then bellowed my favourite-ever soundbite: ‘guards – seize him!’ At which point four seven foot tall Dinka tribesmen appeared from an alcove, grabbed me by the shoulders and ejected me onto the street – while he sat and stroked his moustache, like Ming the merciless. Ace.”