William and Kate, the Duke and Duchess of Cambridge, applaud during a citizenship ceremony Friday, July 1, 2011, in Gatineau, Canada.
Kate, Duchess of Cambridge, listens to proceedings during a citizenship ceremony Friday, July 1, 2011, in Gatineau, Canada.
Prince William greets a new Canadian citizen during citizenship ceremony Friday, July 1, 2011, in Gatineau, Canada. The Duke and Duchess of Cambridge watched new citizens take the oath of citizenship, in which new Canadians pledge allegiance to the Queen, who is William's grandmother.
William and Kate, the Duke and Duchess of Cambridge, share a laugh during a citizenship ceremony at the Museum of Civilization in Gatineau, Canada, on Friday, July 1, 2011.
William and Kate, the Duke and Duchess of Cambridge, flanked by Sharon Johnston, wife of Governor General David Johnston and Immigration Minister Jason Kenney, listen to proceedings during a citizenship ceremony on Friday, July 1, 2011, in Gatineau, Canada.
William and Kate, the Duke and Duchess of Cambridge, sing "God Save the Queen" during a citizenship ceremony on Friday, July 1, 2011, in Gatineau, Canada.
Kate, Duchess of Cambridge, smiles as she take part in a citizenship ceremony at the Museum of Civilization in Gatineau, Canada, on Friday, July 1, 2011. The duchess was dressed in Canadian colors - a cream dress by the London designer Reiss, complete with the Queen's Maple Leaf brooch, and a red hat topped with a maple leaf. Queen Elizabeth II loaned the brooch to the duchess for the tour; it was first worn in 1951 by the then-Princess Elizabeth on her first visit to Canada.
William and Kate, the Duke and Duchess of Cambridge, chat during a citizenship ceremony in Gatineau, Quebec, Canada, on July 1, 2011.
Prince William and Kate, the Duke and Duchess of Cambridge, arrive at a citizenship ceremony in Gatineau, Quebec, Canada, on July 1, 2011.
Prince William's wife, Catherine, Duchess of Cambridge, waves to the crowd as she arrives at the Museum of Civilization with Sharon Johnston, wife of the Governor General of Canada, in Gatineau, Quebec, Canada, July 1, 2011.
Catherine, Duchess of Cambridge, arrives for a citizenship ceremony in Gatineau, Canada, on July 1, 2011.
William and Kate, the Duke and Duchess of Cambridge, arrive at a citizenship ceremony in Gatineau, Quebec, Canada, on July 1, 2011. The royal couple watched new citizens take the oath of citizenship, in which new Canadians pledge allegiance to the Queen, who is William's grandmother.
