LONDON, UNITED KINGDOM - DECEMBER 06: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look on from the balcony at London Euston Station on December 06, 2020 in London, United Kingdom. Duke and Duchess of Cambridge will embark on a three day tour aboard the Royal train to thank frontline staff and community workers in the UK. (Photo by Chris Jackson/Getty Images)
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LONDON, UNITED KINGDOM - DECEMBER 06: Singer Shakin' Stevens performs for Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge at London Euston Station on December 06, 2020 in London, United Kingdom. Duke and Duchess of Cambridge will embark on a three day tour aboard the Royal train to thank frontline staff and community workers in the UK. (Photo by Chris Jackson/Getty Images)
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Chris Jackson Collection Chris Jackson

LONDON, UNITED KINGDOM - DECEMBER 06: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look on from the balcony at London Euston Station on December 06, 2020 in London, United Kingdom. The Duke and Duchess of Cambridge will embark on a three day tour aboard the Royal train to thank frontline staff and community workers in the UK. (Photo by Chris Jackson/Getty Images)
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Chris Jackson Collection Chris Jackson

LONDON, UNITED KINGDOM - DECEMBER 06: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look at the departure board at London Euston Station on December 06, 2020 in London, United Kingdom. The Duke and Duchess of Cambridge will embark on a three day tour aboard the Royal train to thank frontline staff and community workers in the UK. (Photo by Chris Jackson/Getty Images)
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Chris Jackson Collection Chris Jackson

LONDON, UNITED KINGDOM - DECEMBER 06: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look on from the balcony at London Euston Station on December 06, 2020 in London, United Kingdom. Duke and Duchess of Cambridge will embark on a three day tour aboard the Royal train to thank frontline staff and community workers in the UK. (Photo by Chris Jackson/Getty Images)
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Chris Jackson Collection Chris Jackson