It is well known that the royals buy each other joke presents for Christmas , but it would seem the festive season isn't the only time they exchange funny gifts.
The late Diana, Princess of Wales was the chief prankster of the family, often doing cheeky things or buying naughty gifts for her sons.
However, her cheeky streak didn't stop with her sons as she also sent her close friends inappropriate presents. One of these hilarious gifts was sent to Diana's close friend and former Capital Radio presenter, Graham Dene.
