William and Kate take part in a ceremonial tree planting in Ottawa, Canada, in February, 2012.
Prince William and Kate attend a citizenship ceremony in Ottawa, Canada, on Princess Diana's 50th Birthday, July 1, 2011.
A their first official public engagement after their wedding, Kate and William attend the 10th Annual ARK (Absolute Return for Kids) Gala Dinner at Kensington Palace, in London on June 9, 2011.
Kate and William attend the African Cats UK film premiere in London, England on April 25, 2012.
William and Kate kiss on the balcony following the Royal Wedding on April 29, 2011.
Kate and William pose for photographs together, following the announcement of their engagement at St James Palace in London, England, on November 16, 2010.
President Barack Obama, accompanied by his wife Michelle, arrives in Britain, and meets with William and Kate on May 24, 2011.
Kate and William are pictured together at the Trooping of the Color Ceremony on June 11, 2011.
William and Kate attend a reception at Goldsmiths' Hall in London, England, on April 26, 2012.
William And Kate Celebrate Their First Anniversary