Catherine, Duchess of Cambridge attend the Calgary Stampede Parade on day 9 of the Royal couple's tour of North America on July 8, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)
Catherine, Duchess of Cambridge attend the Calgary Stampede Parade on day 9 of the Royal couple's tour of North America on July 8, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)