YELLOWKNIFE, NT - JULY 06: Catherine, Duchess of Cambridge boards a Canadian Airforce jet to Slave Lake on July 6, 2011 in Yellowknife, Northern Territories, Canada. The newly married Royal Couple are on the seventh day of their first joint overseas tour. The 12 day visit to North America is taking 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 Chris Jackson/Getty Images)
