Prince George and Princess Charlotte sneakily wave to crowds from Palace window

Britain is celebrating 100 years of the Royal Air Force and yesterday’s flyover – featuring 100 roaring aircraft – proved an exciting way to mark the occasion for two of the youngest royals.

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Prince George and Princess Charlotte seen at a window in Buckingham Palace – during the Royal Air Force flypast to mark the centenary of the Royal Air Force today (july 10, 2018) . . #princewilliam #dukeofcambridge #duchessofcambridge #katemiddleton #princegeorge #princesscharlotte #princelouis #britishroyalfamily

A post shared by @ hrhprincegeorge on Jul 10, 2018 at 9:16am PDT

Sneaking a royal peek

Prince George and Princess Charlotte were spotted at the window of Buckingham Palace with their nanny (and another royal staffer). They keenly observed the spectacle from the fanciest of locales, waving to spectators below as they took in the brilliant and colourful air show.

“Up to 100 aircraft flew over Buckingham Palace and the display clearly fascinated the youngsters, who looked up at the sky in awe,” Hello Magazine reports. “George, who wore a polo shirt, gave a little wave to the crowds and RAF personnel below while Charlotte, dressed in a blue frock, followed suit and cheekily stuck her tongue out.”

The older royals – the Queen, Prince Charles, Duchess Camilla, Prince Andrew, Duchess Meghan, Prince Harry, Duchess Kate and Prince William – appeared on the Buckingham Palace balcony, but it was George and Charlotte’s more covert appearance that stole the show.

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Prince George & Princess Charlotte watching the flypast today! [Swipe left ❤] ♡ ♡ ♡ #george #prince #princegeorge #princeofcambridge #princegeorgeofcambridge #royal #georgealexanderlouis #newpage #followme #like #f4f #l4l #uk #unitedkingdom #british #britishroyal #britishroyalfamily #cute #love #adorable #futureking #family #photooftheday #cutenessoverload #siblings #princesscharlotte

A post shared by Prince George Alexander Louis (@princegeorge_fans) on Jul 10, 2018 at 7:45am PDT

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Today The Duke and Duchess of Cambridge and The Duke and Duchess of Sussex joined in celebrations for #RAF100. The @RoyalAirForceUK was formed 100 years ago this year – and today celebrates the remarkable service of @RoyalAirForceUK from 1918 to the present day. This morning, Their Royal Highnesses joined The Queen and other Members of The Royal Family at a service at Westminster Abbey, before watching a celebratory flypast from Buckingham Palace. #RAF100 ?PA

A post shared by Kensington Palace (@kensingtonroyal) on Jul 10, 2018 at 9:36am PDT

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On the forecourt at Buckingham Palace The Queen was joined by The Prince of Wales and other members of The Royal Family for a "Presentation of the Colours" to the @royalairforceuk – a ceremony where a regimental unit is given a new flag (Colours). Her Majesty and members of The Royal Family stood on the balcony to watch an incredible fly-past of 100 aircraft. The Queen gave a speech and said: "I remember the Battle of Britain being fought in the skies above us, and we shall never forget the courage and sacrifice of that time." #RAF100

A post shared by The Royal Family (@theroyalfamily) on Jul 10, 2018 at 9:52am PDT

Packed schedule 

It’s been a big couple of days for the Royal Family, with baby Prince Louis christened on Tuesday and the RAF celebrations rolling out on Wednesday.

As Meghan and Harry headed off for an official visit to Ireland, the Cambridges (William and Kate) are readying themselves for George’s birthday. The little heir turns five on 22 July. 

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Read more about the little royals:

• “Relaxed and peaceful” baby Louis christened as Princess Charlotte sasses media
• Princess Charlotte cutely farewells Prince Charles’ helicopter
• Prince George and Princess Charlotte’s very busy weekend 

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It’s not too late to send George a birthday card, and if you do you will almost certainly get a cheery reply from Kensington Palace. Social media is full of sweet snaps of correspondence the royals have written to well-wishers. Prince Louis’ birth and Charlotte’s birthday are just a couple of the occasions where royal watchers sent cards to the family – and received a very royal response. 

Send your birthday card to:

His Royal Highness Prince George of Cambridge
c/- The Duke and Duchess of Cambridge
Clarence House
London SW1A 1BA

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The Duke and Duchess of Cambridge, Prince George, Princess Charlotte, and The Duke and Duchess of Sussex arrive for the christening of Prince Louis at the Chapel Royal ?PA

A post shared by Kensington Palace (@kensingtonroyal) on Jul 9, 2018 at 11:24am PDT