Larry, the 10 Downing Street cat, sits o [Getty Images]

Larry, the 10 Downing Street cat, sits on the cabinet table wearing a British Union Jack bow tie ahead of the Downing Street street party, in central London, on April 28, 2011. Downing Street will hold a street party tomorrow to celebrate the royal wedding of Britain's Prince William and Kate Middleton at Westminster Abbey, on April 29, 2011. AFP PHOTO/BEN STANSALL/WPA POOL (Photo credit should read BEN STANSALL/AFP/Getty Images)

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