The tradition of St. Patrick's Day parades first began among Irish immigrant communities in the United States in the 1700s.

With his athletic frame and good looks, and fans such as the Princess of Wales and Anna Wintour, he seems destined for stardom both on and off the court.

Kate Middleton mixed high and low with her look at a rugby game, which included a pair of earrings that have a price tag under $100.