Prince Louis wears the same Trooping the Colour outfit that Prince Harry wore as a toddler

Prince Louis wore the cutest royal hand-me-downs from his uncle Prince Harry.

Kate Middleton and Prince William's 1-year-old son made his first official royal appearance at Saturday's Trooping the Colour celebrations. The tiny tot was adorable as he and his siblings -- 5-year-old Prince George and 3-year-old Princess Charlotte -- all waved atop the Buckingham Palace balcony.

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Prince Louis at Trooping the Colour 2019
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Prince Louis at Trooping the Colour 2019
LONDON, ENGLAND - JUNE 08: Prince William, Duke of Cambridge and Prince Louis of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
The Duke and Duchess of Cambridge with their children, Prince Louis, Prince George, Princess Charlotte and the Duchess of Cornwall, on the balcony of Buckingham Place watch the flypast after the Trooping the Colour ceremony, as Queen Elizabeth II celebrates her official birthday. (Photo by Victoria Jones/PA Images via Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte, Catherine, Duchess of Cambridge, Camilla, Duchess of Cornwall, Prince Charles, Prince of Wales, Princess Anne, Princess Royal and Queen Elizabeth II during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Camilla, Duchess of Cornwall with Catherine, Duchess of Cambridge and Prince Louis of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
(L-R) Britain's Prince William, Duke of Cambridge, Prince George, Princess Charlotte and Britain's Catherine, Duchess of Cambridge holding Prince Louis stand with other members of the Royal Family on the balcony of Buckingham Palace to watch a fly-past of aircraft by the Royal Air Force, in London on June 8, 2019. - The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. Since 1748, the Trooping of the Colour has marked the official birthday of the British Sovereign. Over 1400 parading soldiers, almost 300 horses and 400 musicians take part in the event. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
The Duke and Duchess of Cambridge with their children, Prince Louis, Prince George, Princess Charlotte, Duchess of Cornwall, on the balcony of Buckingham Place watch the flypast after the Trooping the Colour ceremony, as Queen Elizabeth II celebrates her official birthday. (Photo by Victoria Jones/PA Images via Getty Images)
TOPSHOT - (L-R) Britain's Prince William, Duke of Cambridge holding Prince Louis, Prince George, Princess Charlotte, Britain's Catherine, Duchess of Cambridge, Britain's Camilla, Duchess of Cornwall, Vice Admiral Timothy Laurence, Britain's Prince Charles, Prince of Wales, Britain's Princess Beatrice of York, Britain's Princess Anne, Princess Royal,, Britain's Queen Elizabeth II, Britain's Princess Eugenie of York, Britain's Lady Louise Windsor, Britain's Prince Andrew, Duke of York,, Britain's Prince Harry, Duke of Sussex,, Britain's Meghan, Duchess of Sussex, James, Viscount Severn and Isla Phillips stand with other members of the Royal Family on the balcony of Buckingham Palace to watch a fly-past of aircraft by the Royal Air Force, in London on June 8, 2019. - The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. Since 1748, the Trooping of the Colour has marked the official birthday of the British Sovereign. Over 1400 parading soldiers, almost 300 horses and 400 musicians take part in the event. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince William, Duke of Cambridge with Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince George of Cambridge and Prince Louis of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 08: Prince William, Duke of Cambridge with Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince George of Cambridge and Prince Louis of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JUNE 08: Prince William, Duke of Cambridge with Catherine, Duchess of Cambridge and Prince Louis of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
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However, royal fans noticed that little Louis' ensemble was the same that the Duke of Sussex wore for his second appearance at the Trooping the Colour event in 1986. In old photos, Harry is being held by Princess Anne and is seen wearing a white shirt with blue stitching and matching blue shorts, just like the ones Louis wore. Coincidently, both Princess Anne and the Duchess of Cambridge wore yellow.

Prince Louis Prince Harry Trooping the Colour
Tim Graham Photo Library via Getty Images

The royals appear to have a tradition of having their children rewear their old baby clothes. Back in 2015 when George was 1 year old, he was dressed in the same baby blue outfit that his father, William, wore in 1984.

Prince George Prince William Wearing Same Baby Outfits
Chris Jackson/Getty Images -- Anwar Hussein/Getty Images

Louis has also previously been photographed sporting what appeared to be his big brother, George's, striped shorts, during a family outing last month. 

Prince Louis Prince George
Matt Porteous/Samir Hussein/WireImage

For more on the royal family, watch below.

40 PHOTOS
Royal family at Trooping the Colour
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Royal family at Trooping the Colour
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Queen Elizabeth II and Prince Andrew, Duke of York appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex ride by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge, Princess Charlotte and Catherine, Duchess of Cambridge appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Charles, Prince of Wales, Queen Elizabeth II appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Camilla, Duchess of Cornwall, Prince Charles, Prince of Wales, Queen Elizabeth II and Prince Andrew, Duke of York appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, UNITED KINGDOM - JUNE 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince George of Cambridge and Princess Charlotte of Cambridge watch a flypast from the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 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, although the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - JUNE 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge watch a flypast from the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 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, although the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex ride by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, UNITED KINGDOM - JUNE 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince George of Cambridge and Princess Charlotte of Cambridge watch a flypast from the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 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, although the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - 2019/06/08: Britain's Queen Elizabeth II is seen in a carriage on her way to Buckingham Palace after the Trooping the Colour ceremony, which marks her 93rd birthday. (Photo by Dinendra Haria/SOPA Images/LightRocket via Getty Images)
LONDON, UNITED KINGDOM - 2019/06/08: Catherine Duchess of Cambridge (R) and Meghan Duchess of Sussex (L) are seen in a carriage on their way to the Horse Guards Parade during the Trooping the Colour ceremony, which marks the 93rd birthday of Queen Elizabeth II, Britain's longest reigning monarch. (Photo by Dinendra Haria/SOPA Images/LightRocket via Getty Images)
LONDON, UNITED KINGDOM - JUNE 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, Prince Louis of Cambridge and Camilla, Duchess of Cornwall on the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 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, although the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - 2019/06/08: Meghan Duchess of Sussex and Prince Harry are seen in a carriage on their way to Buckingham Palace after attending the Trooping the Colour ceremony, which marks the 93rd birthday of, Queen Elizabeth II, Britain's longest reigning monarch. (Photo by Dinendra Haria/SOPA Images/LightRocket via Getty Images)
LONDON, ENGLAND - JUNE 08: Catherine, Duchess of Cambridge rides by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Lady Louise Windsor rides by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Edward, Earl of Wessex rides by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Camilla, Duchess of Cornwall, Prince Charles, Prince of Wales, Queen Elizabeth II, Prince William, Duke of Cambridge and Prince Andrew, Duke of York seen on the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Camilla, Duchess of Cornwall, Prince Charles, Prince of Wales, Queen Elizabeth II, Prince William, Duke of Cambridge and Prince Andrew, Duke of York seen on the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince Edward, Earl of Wessex, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge, Autumn Phillips, Peter Phillips, Savannah Phillips and Isla Phillips seen on the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince George, Princess Charlotte, Prince William, Duke of Cambridge, Prince Louis and Catherine, Duchess of Cambridge seen on the balcony of Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Princess Eugenie Windsor and Jack Brooksbank during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Princess Beatrice Windsor and Jack Brooksbank during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Meghan, Duchess of Sussex rides by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: (L-R) Lady Louise Windsor, Sophie, Countess of Wessex, James Viscount Severn and Prince Edward, Earl of Wessex during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince Louis of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 08: Princess Beatrice of York and Princess Eugenie of York leave Buckingham Palace in a carriage during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Meghan, Duchess of Sussex rides by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex ride by carriage down the Mall during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Charles and Camilla, Duchess of Cornwall arrive to Buckingham Palace during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex arrive to Buckingham Palace in a carriage during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, ENGLAND - JUNE 08: Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex and Catherine, Duchess of Cambridge leave Buckingham Palace in a carriage during Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 in London, England. (Photo by James Devaney/Getty Images)
LONDON, UNITED KINGDOM - JUNE 08: Autumn Phillips, Peter Phillips and their children Savannah Phillips and Isla Phillips stand on the balcony of Buckingham Palace following Trooping the Colour on June 08, 2019 in London, England. (Photo by Anwar Hussein/WireImage)
LONDON, UNITED KINGDOM - JUNE 08: Autumn Phillips, Peter Phillips and their children Savannah Phillips and Isla Phillips stand on the balcony of Buckingham Palace following Trooping the Colour on June 08, 2019 in London, England. (Photo by Anwar Hussein/WireImage)
LONDON, UNITED KINGDOM - JUNE 08: Camilla, Duchess of Cornwall and Catherine, Duchess of Cambridge ride in an open carriage as they attend Trooping the Colour on June 08, 2019 in London, England. (Photo by Anwar Hussein/WireImage)
LONDON, UNITED KINGDOM - JUNE 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Louis of Cambridge and Princess Charlotte of Cambridge wave from a window of Buckingham Palace as they attend Trooping The Colour, the Queen's annual birthday parade, on June 8, 2019 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, although the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, ENGLAND - JUNE 08: Lady Louise Windsor attends Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - JUNE 08: Prince Charles, Prince of Wales, Queen Elizabeth II and Prince Andrew, Duke of York appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Karwai Tang/WireImage)
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