Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive at Santa Barbara Racquet and Polo Club for a Foundation Polo Challenge that benefits the American Friends of the Foundation of Prince William and Prince Harry on July 9, 2011 in Santa Barbara, California. The newly married Royal Couple are on the first day of their first joint overseas tour to the USA. They arrived yesterday after spending 9 days in Canada. The couple started off their tour of North America by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday.
( - Source: Chris Jackson/Getty Images North America)
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