(CNN) — It’s the kind of celebrity snap you might scroll past on your phone several times a day – a soccer star and his pop singer girlfriend hand-in-hand on an evening out. There’s a sense of summer ease; both are tanned, dressed in casual black tops and trousers, sandals on. Except the athlete is the world-famous David Beckham, and he’s wearing a patterned sarong around his waist. In 1998 Britain, this was front page news.