In his heartfelt message, Prince William said: "Hi Mary. I want to wish you a very happy ... birthday celebrations, saying: "Have a fantastic day today. I dread to think who's cooking your cake ...

I want to wish you a very happy 90th birthday. You are a true ... to Wales to mark St David's Day, both William and Kate got to work making Welsh cakes, with Dame Mary also getting a mention ...

Prince William recorded a surprise 90th birthday message to Mary Berry that aired during 'The One Show,' and he even made a joke about her birthday cake.