01of 08Kate Middleton, Princess Charlotte, Prince George and Prince William.Samir Hussein/WireImagePrince GeorgeandPrincess Charlotteare learning the royal ropes! George, 8, and Charlotte, 7, accompanied parentsPrince WilliamandKate Middletonto Cardiff Castle in Wales Saturday in honor of the local Platinum Jubilee celebrations happening there.As the siblings stepped up for the outing, little brotherPrince Louis, 4,was likely deemed too young to attend!

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Kate Middleton, Princess Charlotte, Prince George and Prince William.Samir Hussein/WireImage

Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince George of Cambridge and Prince William, Duke of Cambridge depart after a visit of Cardiff Castle

Prince GeorgeandPrincess Charlotteare learning the royal ropes! George, 8, and Charlotte, 7, accompanied parentsPrince WilliamandKate Middletonto Cardiff Castle in Wales Saturday in honor of the local Platinum Jubilee celebrations happening there.

As the siblings stepped up for the outing, little brotherPrince Louis, 4,was likely deemed too young to attend!

02of 08Prince George, Prince William, Princess Charlotte and Kate Middleton.Ben Birchall/PA Images via Getty ImagesCharlotte beamed beside her dad and brother as they spoke with locals lined up outside to meet the royal family.

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Prince George, Prince William, Princess Charlotte and Kate Middleton.Ben Birchall/PA Images via Getty Images

The Duke and Duchess of Cambridge, Prince George and Princess Charlotte speak to wellwishers during their visit to Cardiff Castle

Charlotte beamed beside her dad and brother as they spoke with locals lined up outside to meet the royal family.

03of 08Chris Jackson/Getty ImagesThe dad and lad let the same smile slip as they talked with those who came out to see them.

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Chris Jackson/Getty Images

Prince William, Duke of Cambridge with Prince George of Cambridge during a visit to Cardiff Castle

The dad and lad let the same smile slip as they talked with those who came out to see them.

04of 08Chris Jackson/Getty ImagesThe brother and sister were all business as they took in the crowd queued up at the castle grounds.

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Princess Charlotte of Cambridge and Prince George of Cambridge during a visit to Cardiff Castle

The brother and sister were all business as they took in the crowd queued up at the castle grounds.

05of 08Chris Jackson/Getty ImagesThe future king adorably seemed to be thinking about something serious as he quietly walked alongside Charlotte.

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Princess Charlotte of Cambridge and Prince George of Cambridge during a visit to Cardiff Castle

The future king adorably seemed to be thinking about something serious as he quietly walked alongside Charlotte.

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Prince George and Princess Charlotte.Chris Jackson/Getty Images

Prince George of Cambridge and Princess Charlotte of Cambridge hold gifts of flowers during a visit to Cardiff Castle

07of 08Prince William, Prince George and Princess Charlotte.Samir Hussein/WireImageOver here, kids! Like any doting dad watching over his children,Prince Williamgently guided the young royals where to step next.

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Prince William, Prince George and Princess Charlotte.Samir Hussein/WireImage

Princess Charlotte of Cambridge, Prince George of Cambridge and Prince William, Duke of Cambridge depart after a visit of Cardiff Castle

Over here, kids! Like any doting dad watching over his children,Prince Williamgently guided the young royals where to step next.

08of 08Samir Hussein/WireImageAlways in sync, Kate and her daughter walked hand in hand.

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Samir Hussein/WireImage

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge depart after a visit of Cardiff Castle

Always in sync, Kate and her daughter walked hand in hand.

source: people.com