WHITEHORSE, BC - SEPTEMBER 28: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge send a telegram to tweet with Doug Bell at McBride Museum during the Royal Tour of Canada on September 28, 2016 in Whitehorse, Canada. Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince George and Princess Charlotte are visiting Canada as part of an eight day visit to the country taking in areas such as Bella Bella, Whitehorse and Kelowna (Photo by Chris Jackson/Getty Images)

WHITEHORSE, BC - SEPTEMBER 28:  Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge send a telegram to tweet with Doug Bell at McBride Museum during the Royal Tour of Canada on September 28, 2016 in Whitehorse, Canada. Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince George and Princess Charlotte are visiting Canada as part of an eight day visit to the country taking in areas such as Bella Bella, Whitehorse and Kelowna  (Photo by Chris Jackson/Getty Images)