The newest addition of the British royal family, Catherine, Duchess of Cambridge, celebrates her first wedding anniversary with Prince William of Wales, Duke of Cambridge, this weekend. She's been on the move since her marriage, including playing field hockey with the British team in London on March 15.
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Catherine's sister and maid of honor, Pippa, has become a celebrity in her own right. She competes in numerous athletic events, such as a cross-country ski marathon in Sweden on March 4.
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William and Catherine made a 12-day North American tour over the summer. In Canada, they crewed dragon boats on Dalvay Lake on Prince Edward Island.
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Pippa Middleton's every move -- including jogging in London on July 14 -- is chronicled by the paparazzi.
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Catherine kicks off a street hockey game during an official welcome ceremony July 5 in Yellowknife, Canada.
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Pippa Middleton ice skates during an event November 21 in London.
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Catherine has devoted much time to charity, including helping open the Treehouse Children's Hospice on March 19 in Ipswich.
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Pippa Middleton's athletic endeavors included the GE Blenheim Triathlon at Blenheim Palace on June 4.
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The royal couple's Canada trip included canoeing on Blatchford Lake.
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Catherine steers a dragon boat before a race against her husband on Dalvay Lake.