CALGARY, AB - JULY 07: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch traditional Calgary Stampede activities at the BMO Centre on July 7, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)
CALGARY, AB - JULY 07: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch traditional Calgary Stampede activities at the BMO Centre on July 7, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)
CALGARY, AB - JULY 07: Catherine, Duchess of Cambridge watches traditional Calgary Stampede activities at the BMO Centre on July 7, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)
