The morbid reason royal family members always pack a spare outfit when traveling abroad

When members of the royal family travel abroad, they are required to pack a spare of one type of outfit -- and the reason why is incredibly morbid.

When Queen Elizabeth and Prince Philip took a trip abroad to Kenya in 1952, they received heartbreaking news that her father, King George VI, had passed away. If you're a fan of Netflix's "The Crown," this scene was re-enacted in one of the episodes.

Because Elizabeth didn't have an all-black outfit in her possession at the time, she had to wait on the plane for one to be delivered so that she didn't arrive to the somber mood of country wearing unsuitable clothing.

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Royal Tour of Poland and Germany
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Royal Tour of Poland and Germany
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge with their children Princess Charlotte of Cambridge and Prince George of Cambridge as they arrive on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince George of Cambridge and Princess Charlotte of Cambridge peer out of a window as they arrive with Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Princess Charlotte of Cambridge and Prince George of Cambridge look out of the window of the plane as they arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Prince George of Cambridge arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Prince George of Cambridge arrives at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince George of Cambridge, Princess Charlotte of Cambridge arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Prince George and Princess Charlotte arrive at Warsaw airport to start a 3 day tour on July 17, 2017 in Warsaw, Poland. (Photo by Arthur Edwards / Pool/ Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge with their children Prince George and Princess Charlotte arrive at Warsaw airport to start a 3 day tour on July 17, 2017 in Warsaw, Poland. (Photo by Arthur Edwards / Pool/ Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge with their children Prince George and Princess Charlotte arrive at Warsaw airport to start a 3 day tour on July 17, 2017 in Warsaw, Poland. (Photo by Arthur Edwards / Pool/ Getty Images)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Prince George of Cambridge arrives at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Princess Charlotte of Cambridge and Prince George of Cambridge look out of the window of the plane as they arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Princess Charlotte of Cambridge and Prince George of Cambridge look out of the window of the plane as they arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince William, Duke of Cambridge and Prince George of Cambridge arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince William, Duke of Cambridge and Prince George of Cambridge arrive at Warsaw airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge arrive at the airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by DMC/GC Images)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge carries Princess Charlotte of Cambridge as they arrive with Prince William, Duke of Cambridge and Prince George of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Prince George of Cambridge as they arrive with Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Prince George of Cambridge as they arrive with Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge with their children Princess Charlotte of Cambridge and Prince George of Cambridge as they arrive on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince George of Cambridge as he arrives with Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge speaks with Prince George of Cambridge as they arrive with Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge speaks with Prince George of Cambridge as they arrive with Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge carries Princess Charlotte of Cambridge as they arrive with Prince William, Duke of Cambridge and Prince George of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge are seen arriving at the airport during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by DMC/GC Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge speaks with Prince George of Cambridge as they arrive with Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge with their children Princess Charlotte of Cambridge and Prince George of Cambridge as they arrive on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
Note alternate crop The Duke and Duchess of Cambridge arrive at Warsaw's Chopin Airport with Prince George and Princess Charlotte for the start of their five-day tour of Poland and Germany.
WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge carries Princess Charlotte of Cambridge as they arrive with Prince William, Duke of Cambridge and Prince George of Cambridge on day 1 of their offical visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Samir Hussein/Samir Hussein/WireImage)
Prince William, the Duke of Cambridge and Catherine, The Duchess of Cambridge are seen at the museum of former German Nazi concentration camp Stutthof in Sztutowo, Poland July 18, 2017. REUTERS/Kacper Pempel
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge toast HM The Queen at the Queen's Birthday Garden Party at the Orangery, Lazienki Park on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Julian Simmonds-Pool/Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Poland's First Lady Agata Kornhauser-Duda attend the Queen's Birthday Garden Party at the Orangery, Lazienki Park on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Julian Simmonds-Pool/Getty Images)
Prince William, the Duke of Cambridge and Catherine, The Duchess of Cambridge meet Holocaust survivors during their visit at the museum of former German Nazi concentration camp Stutthof in Sztutowo, Poland July 18, 2017. REUTERS/Kacper Pempel
Prince William, the Duke of Cambridge, his wife Catherine, The Duchess of Cambridge, Prince George and Princess Charlotte arrive at Tegel airport in Berlin, Germany, July 19, 2017. REUTERS/Fabrizio Bensch
Prince William, the Duke of Cambridge, his wife Catherine, The Duchess of Cambridge, Prince George and Princess Charlotte arrive at Tegel airport in Berlin, Germany, July 19, 2017. REUTERS/Kay Nietfeld/POOL
Prince William, the Duke of Cambridge, his wife Catherine, The Duchess of Cambridge, Prince George and Princess Charlotte arrive at Tegel airport in Berlin, Germany, July 19, 2017. REUTERS/Kay Nietfeld/POOL
Catherine, The Duchess of Cambridge leaves the charity Strassenkinder e.V. building in Berlin, Germany, July 19, 2017. REUTERS/Jens Kalaene/POOL
BERLIN, GERMANY - JULY 19: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit Strassenkinder, a charity which supports young people from disadvantaged backgrounds during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. The Duke and Duchess will also meet representatives from the Robert Enke Foundation. (Photo by Chris Jackson/Getty Images)
Britain's Prince William (R), Duke of Cambridge, and his wife Kate, the Duchess of Cambridge with their children Prince George and Princess Charlotte arrive at the airport in Berlin on July 19, 2017. The British royal couple is on a three-day-visit in Germany. / AFP PHOTO / POOL / Steffi LOOS (Photo credit should read STEFFI LOOS/AFP/Getty Images)
BERLIN, GERMANY - JULY 19: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit Strassenkinder, a charity which supports young people from disadvantaged backgrounds during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. The Duke and Duchess will also meet representatives from the Robert Enke Foundation. (Photo by Chris Jackson/Getty Images)
BERLIN, GERMANY - JULY 19: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit the Brandenburg Gate during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. (Photo by Samir Hussein/WireImage)
BERLIN, GERMANY - JULY 19: Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge arrive at Berlin Tegel Airport during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. (Photo by Franziska Krug/Getty Images)
BERLIN, GERMANY - JULY 19: Princess Charlotte of Cambridge arrives at Berlin Tegel Airport during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. (Photo by Chris Jackson/Getty Images)
BERLIN, GERMANY - JULY 19: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the Brandenburg Gate during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. (Photo by Chris Jackson/Getty Images)
Britain's Prince William, Duke of Cambridge (L), his wife Kate, the Duchess of Cambridge (unseen) with their children Prince George and Princess Charlotte (Unseen) arrive at the airport in Berlin on July 19, 2017. The British royal couple is on a three-day visit in Germany. / AFP PHOTO / POOL / Kay Nietfeld (Photo credit should read KAY NIETFELD/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge (L) and his wife Kate, the Duchess of Cambridge (C) are seen on the terrace of the Chancellery in Berlin on July 19, 2017 during a meeting with German Chancellor Angela Merkel. The British royal couple is on a three-day visit in Germany. / AFP PHOTO / Odd ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)
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Similarly, when Diana's father died while the Waleses were on a skiing trip to the Alps, they put on their black clothes and then got on a plane back for England.

Now, whenever a royal leaves the country, an all-black ensemble is always packed in their suitcase just in case someone from their family dies while they are away. Unsurprisingly, it's not just the royal family who follow this tradition -- it's part of diplomatic life for every head of state. They either pack mourning wear or be prepared to quickly buy something suitable.

For more on the royal tradition, watch the video above.

RELATED: Where the royal family heads to for vacation:

14 PHOTOS
13 places the royals like to vacation
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13 places the royals like to vacation
Queen Victoria, the Osborne House in Isle of Wight, UK

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Prince Charles and Camilla, Llandeildo Carmarthenshire, Wales

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Prince Edward and family, The Bahamas

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Prince Frederik, Skagen, Denmark

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Prince Harry, Capetown, South Africa

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Prince Nikolaos and Princess Tatiana Blatnik, Spetes, Greece

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Princess Beatrice and Princess Eugenie, Verbier, Switzerland

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Princess Diana, Antigua and Barbuda

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Queen Elizabeth and Prince Charles, Balmoral Castle in Aberdeenshire, Scotland

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Queen Rania, Sardinia

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Prince William and Kate Middleton Klosters, Switzerland

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Prince William and Kate Middleton, Mustique

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King Juan Carlos and Queen Sofia, Mallorca, Spain

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