YELLOWKNIFE, NT - JULY 5: Catherine, Duchess of Cambridge board a float plane at the Old Town Float Base on day 6 of the Royal Couple's North American Tour, July 5 2011 in Yellowknife, Canada. (Photo by Samir Hussein/WireImage)
BLACHFORD LAKE, NT - JULY 5: (NO UK SALES FOR 28 DAYS) Catherine, Duchess of Cambridge arrives by float plane on July 5, 2011 in Blatchford Lake, Canada. (Photo by Samir Hussein/WireImage)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge try on red jackets as they visit the Canadian Rangers station on July 5, 2011 in Blatchford Lake, Canada.
BLACHFORD LAKE, NT - JULY 5: (NO UK SALES FOR 28 DAYS) Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge row a canoe to 'Honeymoon Island' on July 5, 2011 in Blatchford Lake, Canada. (Photo by Samir Hussein/WireImage)
