Kate Plants Tree Next to Tree Planted by Charles and Diana in 1983

OTTAWA, CANADA - JULY 02: Catherine, Duchess of Cambridge shovels earth during a Tree Planting Ceremony as her husband Prince William, Duke of Cambridge looks on at Rideau Hall on july 02, 2011 in Ottawa, Canada. The tree that the Duke and Duchess help to plant will be next to the one planted by the Prince and the Princess of Wales in 1983. Getty Images