King Charles revealed he was moved to tears while watching Queen Camilla’s documentary on domestic violence during a glittering reception at Buckingham Palace celebrating the Film and TV Charity’s centenary. The King made the candid admission as he mingled with celebrities and industry professionals at the Palace on Wednesday afternoon. The emotional revelation came during conversations with the documentary’s makers, Naveed Chowdhary-Flatt and Kerene Barefield, where the monarch disclosed he had been brought to tears whilst watching a preview of the programme in Scotland. “I really am very pro…