Article continues below advertisementSpencer Pratt owned up to one of his most controversial pre-Hills moves.In his new memoir, The Guy You Loved to Hate: Confessions from a Reality TV Villain, the reality star revealed that he once sold private teenage photos of Mary-Kate Olsen to the press for $50,000.Article continues below advertisement'Photo Shrine'Source: megaSpencer Pratt confessed in his new memoir to selling private teen photos of Mary-Kate Olsen to the press for $50,000.