My husband used to work for a company that shared the premises with a chauffer company who had the contract to transport VIP's to Hoylake golf course during the open.
One of the drivers -Mike- came back with a funny story.
He'd dropped some people off at the course and a guy he knew walked past. Mike said hello and asked how he was. The guy replied I'm OK, how are you? Mike was surprised that he had an American accent and couldn't place him, but knew he'd seen him around. Another VIP walked past and said "Hi George, how are you?"
Mike suddenly realised that he'd been chatting to George Clooney, !!