Prince William and Kate arrive for a Calgary Stampede preview at Government of Canada reception

On the final leg of their royal tour, Prince William and Kate, the Duke and Duchess of Cambridge, watch a bull riding demonstration hosted by Prime Minister Stephen Harper (R.) and his wife Laureen (L.) at a Calgary Stampede preview during a government of Canada reception in Calgary, Alberta, July 7, 2011. UPI/Heinz Ruckemann