William and Kate attend charity polo match

Prince William and Kate, the Duke and Duchess of Cambridge, arrive to the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry, a charity which supports disadvantaged children, conservation and sustainable development, veterans and military families.

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Prince William and Kate, the Duke and Duchess 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 Carpinteria, Calif.

Pictures: William and Kate arrive in California
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Prince William and Kate, the Duke and Duchess of Cambridge, arrive at a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Kate, Duchess of Cambridge arrives 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 Carpinteria, Calif.

Pictures: William and Kate arrive in California
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Prince William and Kate, the Duke and Duchess of Cambridge, left, arrive with former Ambassador to Jamaica Glen Holden, right, and Gloria Holden at a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, arrive at a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Kate, Duchess of Cambridge arrives at the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William, left, and former Ambassador to Jamaica Glen Holden arrive at the The Foundation Polo Challenge at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William and Kate, the Duke and Duchess of Cambridge, are seen at The Foundation Polo Challenge at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, arrive at The Foundation Polo Challenge at the Santa Barbara Polo & Racquet Club on July 9, 2011, in Carpinteria Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

From left, former Ambassador to Jamaica Glen Holden, Kate, Duchess of Cambridge and Prince William are seen at The Foundation Polo Challenge at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, attend a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., on Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, attend a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., on Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William speaks at The Foundation Polo Challenge at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William and Kate, the Duke and Duchess of Cambridge, attend a charity polo match at the Santa Barbara Polo & Racquet Club in Carpinteria, Calif., on Saturday, July 9, 2011. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, and former U.S. Ambassador to Jamaica Glen Holden attend a luncheon at the Santa Barbara Polo and Racquet Club for a charity event held in support of the American Friends of The Foundation of Prince William and Prince Harry on July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
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Pictures: Kate's royal looks

Prince William, Duke of Cambridge, center, is shown prior to the start of the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William smiles during the Foundation Polo Challenge at the Santa Barbara Polo and Racquet Club in Carpinteria, Calif., July 9, 2011.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge warms up prior to the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge is shown prior to the start of the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge, right, competes in a charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge competes in the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge, right, competes in a charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif. The event is held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge, right, smiles after making a goal during the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif. The event was held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William, Duke of Cambridge, third right, laughs with the players after the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Prince William and Kate, the Duke and Duchess of Cambridge, wave to the crowd after the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, celebrate after Williams' team won the Foundation Polo Challenge at the Santa Barbara Racquet and Polo Club on July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
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Prince William, Duke of Cambridge, waves to the crowd after his team won the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada

Kate, Duchess of Cambridge, walks onto the field after the charity polo match at The Santa Barbara Polo & Racquet Club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
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Kate, Duchess of Cambridge congratulates her husband, Prince William, Duke of Cambridge at the trophy ceremony after his team won the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011 in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Kate, Duchess of Cambridge congratulates her husband, Prince William, Duke of Cambridge, at the trophy ceremony after his team won the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, celebrate with a kiss after Williams' team won the Foundation Polo Challenge at the Santa Barbara Racquet and Polo Club on July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, appear at the trophy ceremony after the charity polo match at The Santa Barbara Polo & Racquet club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Kate, Duchess of Cambridge celebrates after Prince Williams' team won the Foundation Polo Challenge at the Santa Barbara Racquet and Polo Club on July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Team Royal Salute including Prince William, Duke of Cambridge, celebrates after being presented with the Tiffany Trophy by Kate, Duchess of Cambridge after the charity polo match at The Santa Barbara Polo & Racquet Club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Kate, Duchess of Cambridge stands with her husband, Prince William, and his team at the trophy ceremony after they won the Foundation Polo Challenge at The Santa Barbara Polo & Racquet Club on Saturday, July 9, 2011, in Carpinteria, Calif.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks

Prince William and Kate, the Duke and Duchess of Cambridge, center, pose with players and polo officials at the trophy ceremony after William's team won the charity polo match at The Santa Barbara Polo & Racquet Club on Saturday, July 9, 2011, in Carpinteria, Calif. The event was held in support of The American Friends of The Foundation of Prince William and Prince Harry.

Pictures: William and Kate arrive in California
Pictures: Newlyweds say goodbye to Canada
Pictures: Kate's royal looks