Michael Fassbender looked sharp in a suit as he arrived at the London screening of the latest instalment of the ‘Alien’ franchise, ‘Alien: Covenant’. However, the 40-year-old actor let slip an expletive whilst giving interviews on the carpet. He said: "I was practising that damn flute, a whistle or whatever you want to call it. It makes an awful sound. I had two teachers and I was practising this thing and I could hear the neighbours going ‘I hate it when people learn instruments it’s f***ing infuriating!’ Sorry!"