QUEBEC CITY, QC - JULY 03: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a morning service onboard the HMCS Montreal in Champlain Harbour on July 3, 2011 in Quebec, Canada. The newly married Royal Couple are on the fourth day of their first joint overseas tour. The 12 day visit to North America will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday. (Photo by Mark Large-Pool/Getty Images)
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QUEBEC CITY, QC - JULY 03: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a morning service onboard the HMCS Montreal in Champlain Harbour on July 3, 2011 in Quebec, Canada. The newly married Royal Couple are on the fourth day of their first joint overseas tour. The 12 day visit to North America will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday. (Photo by Mark Large-Pool/Getty Images)
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QUEBEC CITY, QC - JULY 03: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a morning service onboard the HMCS Montreal in Champlain Harbour on July 3, 2011 in Quebec, Canada. The newly married Royal Couple are on the fourth day of their first joint overseas tour. The 12 day visit to North America will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday. (Photo by Mark Large-Pool/Getty Images)
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QUEBEC CITY, QC - JULY 03: Catherine, Duchess of Cambridge attends a morning service onboard the HMCS Montreal in Champlain Harbour on July 3, 2011 in Quebec, Canada. The newly married Royal Couple are on the fourth day of their first joint overseas tour. The 12 day visit to North America will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday. (Photo by Mark Large-Pool/Getty Images)
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QUEBEC CITY, QC - JULY 03: Catherine, Duchess of Cambridge attends a morning service onboard the HMCS Montreal in Champlain Harbour on July 3, 2011 in Quebec, Canada. The newly married Royal Couple are on the fourth day of their first joint overseas tour. The 12 day visit to North America will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday. (Photo by Mark Large-Pool/Getty Images)
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