Kate Middleton and Prince William's hilarious nickname by royal handlers
![Kate Middleton and Prince William's hilarious nickname by royal handlers](https://i2-prod.mirror.co.uk/incoming/article33195084.ece/ALTERNATES/s615/0_Royal-visit-to-Hereford.jpg)
The Prince and Princess of Wales, best known to royal watchers as William and Kate, are called something else entirely by their security team, and their funny nicknames carry a secret code