Listen to previously unheard tapes of Princess Diana talking about her troubled relationship with her stepmother. Diana made the recording while speaking to James Colthurst in the 1990s for her biographer, Andrew Morton. In total, she recorded seven hours worth of audio. The tapes were then used by Morton to write and publish the watershed 1992 book, Diana: Her True Story.The clips, released just one day after the 26th anniversary of her death in a car crash, are due to feature in an upcoming documentary, Diana: The Rest of Her Story, according to ABC’s Good Morning America.Diana: The Rest of Her Story