FILE - In this Feb. 24, 1981 file photo Britain's Prince Charles and Lady Diana Spencer pose following the announcement of their engagement. Today, few people seem the least bit concerned that Prince William and Kate Middleton, set for the royal wedding on April 29, have been living together off and on since their university days. (AP Photo/Pool, File)
This is a 1981 file photo of the engagement rings of Britain's Prince Charles and his fiance Lady Diana Spencer. It was announced Tuesday Nov. 16, 2010 that their son Prince Williams is to marry his girlfriend Kate Middleton next year and that the Prince William has given Kate his mother's engagement ring. (AP Photo, Pool, File)
