WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge meets well wishers during a visit with Prince William, Duke of Cambridge to the Presidential Palace 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

WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge meets wellwishers during a visit with Prince William, Duke of Cambridge to the Presidential Palace on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson - WPA Pool/Getty Images)
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Chris Jackson Collection Chris Jackson

WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge meets well wishers during a visit with Prince William, Duke of Cambridge to the Presidential Palace 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

WARSAW, POLAND - JULY 17: Catherine, Duchess of Cambridge meets young wellwishers with First Lady Agata Kornhauser-Duda during a visit with Prince William, Duke of Cambridge to the Presidential Palace on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. (Photo by Chris Jackson - WPA Pool/Getty Images)
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Chris Jackson Collection Chris Jackson

WARSAW, POLAND - JULY 17: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge meets wellwishers during a visit with Prince William, Duke of Cambridge to the Presidential Palace during an official visit to Poland and Germany on July 17, 2017 in Warsaw, Poland. (Photo by Pool/Samir Hussein/Samir Hussein/WireImage)
Getty Images

WireImage Pool/Samir Hussein