The Prince and Princess of Wales are known for their playful banter and the couple have previously joked about Kate's cooking ...

While beetroot is unlikely to be on the birthday menu today, it is one of the more unusual foods loved by the young prince.

University days, he used to cook all sorts of meals ... Berry displayed her classic humour and cheeky innuendos when she asked Princess Kate if she wanted to have a "squirt on a cake" while ...