Queen Elizabeth's love story with Prince Philip is one for the ages. The pair tied the knot on November 20, 1947, and remained married until Prince Philip's death on April 9, 2021. And according to those who knew the couple, there was heat between them throughout their long marriage . According to royal author Ian Lloyd, in his book The Queen: 70 Chapters in the Life of Queen Elizabeth II , "The Queen lit up when [ Prince Philip ] was around, when he walked into a room or when he paid her a compliment." Basically, the couple stayed very much in love through the decades. Per Lloyd, "Once, her dress designer, the late Ian Thomas, was making some adjustments to the hemline of her dress when Philip happened to walk past the open door and he said, 'Hmm, nice dress.'" Article continues below The royal author continued, "Thomas said The Queen 'flushed scarlet’ at the compliment.…