Working at Heathrow, we got notice that a big star from the world of music was about to arrive. Sure enough, we saw an impossibly glamorous man join the EU passport queue - immaculate suit, impeccable hairstyle, coat slung over one shoulder - obviously a super-star. It turned out to be the publicist Claude Wolff, and meanwhile his wife, Petula Clark, passed unnoticed in the British queue wearing a woolly hat, scruffy overcoat and trainers.