OTTAWA, ON - JULY 01: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at Parliament Hill for Canada Day Noon Show Celebrations on July 1, 2011 in Ottawa, Canada. (Photo by George Pimentel/WireImage)
OTTAWA, ON - JULY 01: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at Parliament Hill for Canada Day Noon Show Celebrations on July 1, 2011 in Ottawa, Canada. (Photo by George Pimentel/WireImage)