Princess Charlotte falls at the Trooping the Colour ceremony -- but Duchess Kate acts fast

Princess Charlotte took a tumble at Saturday's annual Trooping the Colour ceremony -- but luckily, mom Duchess Kate was able to swoop in and save the day.

Joined by brother George and cousin Savannah Phillips, the three-year-old royal was standing on Buckingham Palace's balcony to watch the Royal Air Force's jets fly past the crowds to mark Queen Elizabeth's 92nd birthday. The monarch also took the balcony alongside Prince Charles and Duchess Camilla, as well as Prince Harry and Duchess Meghan.

Charlotte seemed in relatively good spirits for most of the ceremony, showing off her little royal wave and clap. However, at one point, she slipped off the platform -- with some viewers believing she hit her head on the balcony's railing. The royal tot was visibly shaken, quickly turning to mom Duchess Kate for comfort. 

Kate, dressed in Alexander Mcqueen, was quick to swoop Charlotte up in her arms and hold her for the rest of the traditional ceremony. 

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Royal children at the 2018 Trooping the Colour
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Royal children at the 2018 Trooping the Colour
LONDON, ENGLAND - JUNE 09: Meghan, Duchess of Sussex, Prince Charles, Prince of Wales, Prince Harry, Duke of Sussex, Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge, Princess Charlotte of Cambridge, Savannah Phillips, Prince George of Cambridge and Isla Phillips watch the flypast on the balcony of Buckingham Palace during Trooping The Colour on June 9, 2018 in London, England. The annual ceremony involving over 1400 guardsmen and cavalry, is believed to have first been performed during the reign of King Charles II. The parade marks the official birthday of the Sovereign, even though the Queen's actual birthday is on April 21st. (Photo by Chris Jackson/Getty Images)
(left to right) The Duke and Duchess of Cambridge with Princess Charlotte (bottom right) and Prince George, on the balcony of Buckingham Palace, in central London, following the Trooping the Colour ceremony at Horse Guards Parade as the Queen celebrates her official birthday. (Photo by Yui Mok/PA Images via Getty Images)
(left to right) The Princess Royal, Princess Beatrice, Lady Louis Windsor, Duke of York, Duchess of Cornwall, Queen Elizabeth II, Duchess of Sussex, Prince of Wales, Duke and Duchess of Sussex, the Duke and Duchess of Cambridge with Princess Charlotte, Savannah Phillips and Prince George, on the balcony of Buckingham Palace, in central London, following the Trooping the Colour ceremony at Horse Guards Parade as the Queen celebrates her official birthday. (Photo by Yui Mok/PA Images via Getty Images)
(left to right) Queen Elizabeth II, Duchess of Sussex, Prince of Wales, Duke of Sussex and the Duke and Duchess of Cambridge with Princess Charlotte, Savannah Phillips and Prince George, on the balcony of Buckingham Palace, in central London, following the Trooping the Colour ceremony at Horse Guards Parade as the Queen celebrates her official birthday. (Photo by Yui Mok/PA Images via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge, Savannah Phillips and Prince George of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Prince George of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge and Savannah Phillips during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Prince George of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Prince George of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge and Savannah Phillips during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 09: Princess Charlotte of Cambridge during Trooping The Colour 2018 on June 9, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
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Brother George also had a viral moment of his own. It seems his chatting was too much for his cousin to handle, so Savannah covered the four-year-old's mouth with her hand as to "shush" him.

It was a weekend of festivities for the royal family. After Saturday's get together, Duchess Kate and clan (sans Prince Louis) supported Prince William at the annual Maserati Royal Charity Polo Trophy on Sunday. Charlotte, once again, stole the show with her adorable sunglasses and toddler antics -- which consisted of a few twirls and somersaults. 

Related: See more of their fun weekend

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The royal family at the Maserati Royal Charity Polo Trophy
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The royal family at the Maserati Royal Charity Polo Trophy

Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/Samir Hussein/WireImage)

Princess Charlotte of Cambridge, Catherine, Duchess of Cambridge and Prince George of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Karwai Tang/WireImage)

Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England. (Photo by Max Mumby/Indigo/Getty Images)

Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Princess Charlotte of Cambridge at the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Karwai Tang/WireImage)

GLOUCESTER, ENGLAND - JUNE 10: Princess Charlotte of Cambridge playing during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England. (Photo by Mark Cuthbert/UK Press via Getty Images)

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/WireImage)

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Prince George of Cambridge attends the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Isla Phillips, Savannah Phillips, Prince George of Cambridge and Catherine, Duchess of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Prince George of Cambridge attends the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Karwai Tang/WireImage)

Princess Charlotte of Cambridge attends the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Karwai Tang/WireImage)

Prince George of Cambridge plays with a Slinky toy as he attends the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England. (Photo by Max Mumby/Indigo/Getty Images)

Catherine, Duchess of Cambridge with Princess Charlotte of Cambridge and Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Mark Cuthbert/UK Press via Getty Images)

Prince George of Cambridge, Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Prince George of Cambridge and Princess Charlotte of Cambridge run together during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/WireImage)

Princess Charlotte of Cambridge attends the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/Samir Hussein/WireImage)

Princess Charlotte of Cambridge and Prince George of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Karwai Tang/WireImage)

Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/WireImage)

Catherine, Duchess of Cambridge looks on as Prince George of Cambridge holds a toy gun the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/WireImage)

Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

(Photo by Samir Hussein/WireImage)

 Prince George of Cambridge and Catherine, Duchess of Cambridge attend the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

Prince George of Cambridge attends the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club on June 10, 2018 in Gloucester, England.

(Photo by Max Mumby/Indigo/Getty Images)

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