In his heartfelt message, Prince William said: "Hi Mary. I want to wish you a very happy 90th birthday." He continued: "You are a true national treasure and we've loved working with you over the ...

In years past, the royal couple published birthday portraits on Prince Louis’ birthday eve. "Happy 6th Birthday, Prince Louis! Thank you for all the kind wishes today," read the caption from ...

Birthday wishes are in order for Princess Sofia and Prince Carl Philip's son, Prince Julian, who just turned 4 on March 26.

Eric Charbonneau/Archewell Foundation via Getty Prince Harry is getting ready to celebrate a milestone birthday ... kind and funny kids has given me a fresh perspective on life, as well as ...

Princess Eugenie has marked her 35th birthday in a sweet way as she uploaded a new family snap on her personal Instagram ...

Monday marked the 61 st birthday of Prince Edward, and the occasion was made extra special as the royal received a sentimental gift from outside of his family. On his big day, it was announced ...