The Queen played an amusing practical joke on two American tourists who were visiting Scotland according to Richard Griffin, her former protection officer. Speaking to Sky News the ex-security guard explained the visitors didn't recognise the Queen, and even asked her to take a photograph of themselves with him.
He explained: "The American gentleman was telling the Queen where he came from, where they were going to next, where they'd been to in Britain. And sure enough he said to Her Majesty 'and where do you live?' She said 'Well I live in London but I've got a holiday home the other side of the hills'." The American then asked how long the monarch had been visiting the area, to which she retorted "since I was a little girl - over 80 years".
As the meeting took place near to the Queen's Balmoral Estate he responded: "If you've been coming up here for 80 years you must have met the Queen."
Referring to her security guard the Queen, "quick as a flash", replied: "Well I haven't but Dick here meets her regularly."
One of the Americans then asked Mr Griffin what the Queen was like, to which he joked "Oh, she can be very cantankerous at times, but she's got a lovely sense of humour".
Mr Griffin continued: "The next thing I knew this guy comes round, but his arm around my shoulder and before I could see what was happening gets this camera, gives it to the Queen and says 'Can you take a picture of the two of us?'
"Anyway we [later]swapped places and I took a picture of them with the Queen and we never let on.
"We waved goodbye then Her Majesty said to me 'I'd love to be a fly on the wall when he shows those photos to friends in America'."