Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at LAX Airport on July 8, 2011 in Los Angeles, California.
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WireImage John Shearer

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at LAX Airport on July 8, 2011 in Los Angeles, California. (Photo by John Shearer/WireImage)
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WireImage John Shearer

LOS ANGELES, CA - JULY 08: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at LAX Airport on July 8, 2011 in Los Angeles, California. (Photo by John Shearer/WireImage)
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WireImage John Shearer

Katherine, Duchess Of Cambridge arrives At LAX International Airport. (Photo by Frank Trapper/Corbis via Getty Images)
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Corbis Entertainment Frank Trapper

LOS ANGELES, CA - JULY 08: Catherine, Duchess of Cambridge, walks to her car after arriving with Prince William, Duke of Cambridge at Los Angeles International Airport on July 8, 2011 in Los Angeles, California. The newly married Royal Couple are on a three day visit to Southern California. (Photo by Kevork Djansezian/Getty Images)
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Getty Images Entertainment Kevork Djansezian