Princess Diana in a polka-dot blouse

This photo of Princess Diana was released by WENN during the engagement of PRINCE WILLIAM to his fiancee KATE MIDDLETON in 2010. William presented Kate with his mother's engagement ring - to mark his devotion to his "special" wife-to-be. On Tuesday (16Nov10), the British royal announced he proposed to his longtime love Middleton on holiday in Kenya last month (Oct10), and the couple is planning to wed next year.