Zara Phillips of Great Britain rides High Kingdom as she competes July 30, 2012, in the equestrian eventing cross-country stage at the 2012 Summer Olympics in London. (Associated Press)
Zara Phillips of Great Britain rides High Kingdom as she competes July 30, 2012, in the equestrian eventing cross-country stage at the 2012 Summer Olympics in London. (Associated Press)
Zara Phillips, of Great Britain, and her horse High Kingdom, exit the ring after competing in the equestrian eventing dressage phase at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/David Goldman)
** FILE ** Britain's Zara Phillips, a granddaughter of Queen Elizabeth II's, rides Toytown in the Cross Country Test competition at the World Equestrian Festival in Aachen, Germany, in July 2007. (AP Photo/Hermann J. Knippertz)
** FILE ** Britain's Zara Phillips, a granddaughter of Queen Elizabeth II's, rides Toytown in the Cross Country Test competition at the World Equestrian Festival in Aachen, Germany, in July 2007. (AP Photo/Hermann J. Knippertz)
A view of Zara Phillips' engagement ring after her engagement was announced, in Gloucestershire, England, Tuesday Dec. 21, 2010. Prince William and Kate Middleton will soon have company on the royal wedding calendar. Buckingham Palace announced Tuesday that Zara Phillips, Queen Elizabeth II's eldest granddaughter, is engaged. Phillips, an accomplished equestrian, said she was shocked but "very happy" that her rugby-playing boyfriend Mike Tindall had proposed. (AP Photo/Tim Ireland, PA) UNITED KINGDOM OUT NO SALES NO ARCHIVE
FILE - In this file photo of May 4, 2007 Zara Phillips and boyfriend Mike Tindall kiss at the Badminton Horse Trials, Badminton, England. Buckingham Palace says Queen Elizabeth II's granddaughter Zara Phillips is engaged to her long-term boyfriend Mike Tindall. The palace said Tuesday Dec. 21, 2010 that 29-year-old Phillips, who is 12th in line to the throne, had accepted a proposal from rugby player Tindall. Phillips is the daughter of Princess Anne and her ex husband Capt. Mark Phillips, and the queen's eldest granddaughter. She has a successful career as an equestrian. (AP Photo/Barry Batchelor/PA Wire) UNITED KINGDOM OUT NO SALES NO ARCHIVE
