Catherine, Duchess of Cambridge accepts flowers from members of the crowd as she leaves Sandringham Church after the traditional Christmas Day service at Sandringham on December 25, 2011 in King's Lynn, England. The Queen and the Duke of Edinburgh traditionally lead the royals in attending a church service at Sandringham Church on Christmas Day. It is the Duchess of Cambridge's first Christmas at Sandringham after her marriage to Prince William, Duke of Cambridge in April of this year.