Prince Williamhas turned 40, marking a milestone birthday for the heir to the British throne.

A statement on the royal family’sInstagramaccount reads, “Happy 40th Birthday to The Duke of Cambridge!

He was born at 9.03pm on 21 June 1982, at St Mary’s Hospital, Paddington, London.

Prince William

A bulletin, placed on the gates of Buckingham Palace announced that he weighed 7lb 1 1/2 oz.”

The message is quite simple, “Wishing The Duke of Cambridge a very happy 40th birthday!”

The comment prompted a sweet fan reply of, “Aww this is so sweet!

Prince William in top hat

Happy birthday to HRH Prince William The People’s Prince …great pics!

Good things ahead.”

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Prince William turning 40 marks changes in an aging monarchy.

Despite what the future may hold, today marks a milestone occasion for the prince happy birthday!