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 ... royal couple tried their hand at making Welsh cakes in Pontypridd in February, William said of his baking skill: "Mary Berry ...

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 ...