Prince George, 6,Prince William, 37, andPrince Charles, 71, joined the monarch for the historic new portrait, which was taken just before the Queen’s annual Christmas luncheon at Buckingham Palace on Dec. 18. It was released on Friday to celebrate the start of 2020.

Ranald Mackechnie

British Royal Family

The Queen entertained herextended family for a pre-Christmas partyat the palace on Dec. 18. They also used that occasion to document a fun moment of the four royals mixing andpreparing a Christmas pudding— with George astonishingly keeping the sticky mixture away from his bright white Amaia shirt!

RANALD MACKECHNIE/ROYAL MAIL

Prince Charles, Queen Elizabeth, Prince George, Prince William

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A woman whomet the royal siblings during their debut walk to churchwith their parents,Prince WilliamandKate Middleton, said their manners were “outstanding” and “perfect.”

Kate Middleton, Princess Charlotte, Prince William and Prince George at Christmas 2019.Joe Giddens/PA Images via Getty

The Duke and Duchess of Cambridge and their children Prince George and Princess Charlotte arriving to attend the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Raising their children is William and Kate’s most important role as they continue their ongoing training and preparations for their ultimate destiny – to be King and Queen.

“They know what’s coming [as they near the throne] and want to give their kids as normal a start as possible,” an aide told PEOPLE.

source: people.com