“There were three of us in this marriage, so it was a bit crowded." It was 25 years ago that Diana, Princess of Wales shared in a TV interview what it felt like to be inside the most talked-about love triangle of the 20th century. Now in this special edition PEOPLE is takes an in-depth look at the true story of Diana, Charles, and Camilla. Millions were enchanted by the fairy tale of the future King of England and his young bride, and then by the arrival of their sons, Princes William and Harry. But through it all Camilla Parker Bowles was by Charles’ side, as a friend, lover, and now, against oddsmakers’ predictions—as his wife and future princess consort. Through PEOPLE’s unmatched palace reporting and photography, revisit the scandal that revealed a decades-long love story, with its own unexpected happy ending for Prince Charles and the tragedy of the untimely death of the woman who, though never queen, was the queen of people’s hearts.