Share Tweet Pin Email By Molly Claire Goddard 7:31am PDT, Oct 31, 2025 _ One former king set the record straight about the long-running rumors that he had an affair with Princess Diana.Keep reading for the details...MORE: Follow Wonderwall on MSN for more top news _ Former King of Spain Juan Carlos claimed he was never romantically involved with Princess Diana. In the ex-monarch's memoir Reconciliation, he called the late Princess of Wales "cold, taciturn, distant, except in the presence of the paparazzi.