Smith claims the Prince shed tears the night before marrying Diana.
According to Sally Beddel Smith royal biographer in her book about Prince Charles, she said that Charles was still in love with his ex, Camilla Parker-Bowers.
Her every move was documented in the 80s and 90s by paparazzi.
Did you know she chose her engagement ring from a catalog? He was pressured by his father to end the relationship with her and marry Diana.