Prince George looks adorable in 5th birthday portrait

British Royal family's most adorable prince has turned 5 today!

The Kensington Palace shared a portrait of Duke and Duchess of Cambridge - Prince William and Kate Middleton's eldest son, Prince George to mark his big day.

"The Duke and Duchess of Cambridge are very pleased to share a new photograph of Prince George to mark his fifth birthday - thank you, everyone, for your lovely messages," read the caption.

Clicked by royal photographer Matt Porteous, the picture shows George, the third in line to the throne, sporting one of his biggest smiles as he stands against a wall wearing a white polo shirt and dark blue shorts.

On the same day, The Royal Mint is all set to launch a commemorative £5 coin in order to celebrate George's birthday.

The silver coin will feature an image of England's patron saint, St. George battling it out with a dragon.

In addition to George, Kate and William are also parents to Princess Charlotte,3, and Prince Louis who is two months old.

--ANI