GLOUCESTER, UNITED KINGDOM - DECEMBER 21:  Zara Phillips and her fiance Mike Tindall pose at their Gloucestershire home, after they announced their engagement on December 21, 2010 in Gloucester, United Kingdom. The Queen's granddaughter said she was left 'shocked' but 'very happy' when her long-term boyfriend and England rugby player proposed. (Photo by Tim Ireland - WPA Pool/Getty Images) *** Local Caption *** Mike Tindall;Zara Phillips