Britain's Prince William and Catherine Middleton pose in one of two official engagement portraits, taken by photographer Mario Testino in the Cornwall Room at St James's Palace in London on November 25, 2010. (Xinhua/Reuters Photo)
Britain's Prince William and Catherine Middleton pose in one of two official engagement portraits, taken by photographer Mario Testino in the Cornwall Room at St James's Palace in London on November 25, 2010. (Xinhua/Reuters Photo)