In a statement, Kensington Palace said: "The Duke and Duchess of Cambridge are very pleased to share a new photograph of Prince George to mark His Royal Highness's fifth birthday tomorrow".
Only last week, the royal family released photos of Prince Louis's christening.
On Prince George's birthday, we look back at his cutest ever moments; from his many Buckingham Palace appearances to the time he met Barack Obama in his dressing gown, Prince George is one of the world's most adorable (and famous) tots.
George is the eldest son of Prince William and wife Kate Middleton, followed by Charlotte three, and three-month-old Louis.
With that in mind, please enjoy this new birthday photo of your future ruler Prince George.
The Royal Mint The Royal Mint debuted its commemorative gift to Prince George earlier this month
Prince George Alexander Louis of Cambridge was born at the private maternity wing of St Mary's Hospital, Paddington, the Lindo Wing, at 4.24pm on July 22, 2013, weighing 8lbs 6oz.
Prince George meets a bilby called George at the Bilby Enclosure, named for the prince, at Sydney's Taronga Zoo on April 20.
While Prince George may be third in line to the throne, his parents, the Duke and Duchess of Cambridge, are keeping that nugget of information hidden from their first-born as best they can.
The little prince is as enamored of flying machines as his dad, thus his delight at getting to explore a real helicopter at the Hamburg airport during an official visit to Germany in July 2017.
Who can forget George's adorable christening pictures accompanied by his doting parents, William and Kate.