Britain's Prince William and his fiancee Kate Middleton arrive to view the Thursford Christmas Spectacular gala in Thursford, England, Saturday, Dec. 18, 2010.  The royal couple, who are due to marry on April 29, 2011, met young cancer patients and visited the unique fund-raising gala Saturday, which showcases a cast of over 130 professional singers, dancers and musicians.  (AP Photo/Matt Dunham)

Photo by: Matt Dunham

Britain's Prince William and his fiancee Kate Middleton arrive to view the Thursford Christmas Spectacular gala in Thursford, England, Saturday, Dec. 18, 2010. The royal couple, who are due to marry on April 29, 2011, met young cancer patients and visited the unique fund-raising gala Saturday, which showcases a cast of over 130 professional singers, dancers and musicians. (AP Photo/Matt Dunham)