WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive to meet young entrepreneurs during a reception at the Heart, Spire Building on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
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WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge arrives with Prince William, Duke of Cambridge to meet young entrepreneurs during a reception at the Heart, Spire Building on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson/Getty Images)
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WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge at a Tech Market event today for Polish Business on July 17, 2017 in Warsaw, Poland. (Photo by Ian Vogler / Pool/ Getty Images)
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WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a Tech Market event for Polish Business during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
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WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge attend a Tech Market event for Polish Business during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
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WireImage Pool/Samir Hussein