Britain's royal wedding: Britain's Prince William and his fiance Kate Middleton

UNITED KINGDOM, London : Britain's Prince William and his fiancée Kate Middleton pose for photographers during a photocall to mark their engagement, in the State Rooms of St James’s Palace, central London on November 16, 2010. Britain's Prince William has given his fiancee Kate Middleton the engagement ring that belonged to his late mother Diana, Princess of Wales, Clarence House said Tuesday. The blue sapphire and diamond ring was given to Diana by William's father, Prince Charles, when they became engaged in February 1981. Charles and Diana divorced in 1996 and she was killed in a car crash in Paris the following year. — AFP PHOTO / BEN STANSALL