Princess Kate has teased her exciting Christmas carol concert with new behind-the-scenes pictures. The Princess of Wales’s Together At Christmas carol concert took place on December 8 at Westminster Abbey, and Kate has now released three behind-the-scenes pictures from the event. The pictures were taken during the filming of a behind-the-scenes VT which featured Princess Kate. The VT, which was filmed last month in London, shared the story of three individuals and how they have helped shape the lives of young people. The princess, 41, made a cameo in the VT as part of a surprise Christmas Tea …