Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham on December 25, 2013 in King’s Lynn, England. (Photo by Chris Jackson/Entertainment/Getty Images)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham on December 25, 2013 in King’s Lynn, England. (Photo by Chris Jackson/Entertainment/Getty Images)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham on December 25, 2013 in King’s Lynn, England. (Photo by Chris Jackson/Entertainment/Getty Images)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham on December 25, 2013 in King’s Lynn, England. (Photo by Chris Jackson/Entertainment/Getty Images)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham on December 25, 2013 in King’s Lynn, England. (Photo by Chris Jackson/Entertainment/Getty Images)