The Duke And Duchess Of Cambridge Depart LAX International Airport [Getty Images]

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart at Los Angeles International Airport on July 10, 2011 in Los Angeles, California. — see more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart at Los Angeles International Airport on July 10, 2011 in Los Angeles, California.

WireImage John Shearer