Zara Phillips takes part in the annual Artemis Challenge around the Isle of Wight on Aug 3, 2010 in Cowes, England. Phillips, an accomplished equestrian, is the second child of Queen Elizabeth's daughter Princess Anne and first cousin of Princes William and Harry. She is 12th in line to the throne.
Zara Phillips, right, and her fiance, rugby player Mike Tindall, after announcing their engagement, in Gloucestershire, England, Tuesday Dec. 21, 2010.
Credit: Tim Ireland
A view of Zara Phillips' engagement ring after her engagement was announced, in Gloucestershire, England, Tuesday Dec. 21, 2010.
Credit: AP Photo/Tim Ireland
Zara Phillips, right, and her fiance Mike Tindall, after announcing their engagement, in Gloucestershire, England, Tuesday Dec. 21, 2010.
Credit: AP Photo/Tim Ireland
Zara Phillips and boyfriend, rugby player Mike Tindall attend the Sport Industry Awards on May 13, 2010 in London.
Queen Elizabeth II, right, talks to her granddaughter Zara Phillips, sister of Peter Phillips, as they watch Peter Phillips and Canadian Autumn Kelly leave St. George's Chapel in Windsor, England, after their marriage ceremony, Saturday, May 17, 2008.
Zara Phillips talks to cousin Prince Harry during the wedding of her brother, Peter Phillips, to Autumn Kelly at St George's Chapel in Windsor, May 17, 2008.
Prince William, Prince Harry and Zara Phillips are seen outside Sandringham Church after the Christmas Day service on Dec. 25, 2009, in King's Lynn, England.
Britain's Princess Anne, Prince Harry and Zara Phillips, Princess Anne's daughter, from left, leave St Georges Chapel, Windsor England, Saturday April 9, 2005, after seeing the blessing service celebrating the wedding of Prince Charles and Camilla Duchess of Cornwall.
