Never-before-heard tapes of Princess Diana talking about her tumultuous relationship with the Crown will come to light in a new docuseries. Led by executive producers Kerene Barefield and Naveed Chowdhary-Flatt, Love Monday TV has partnered with 53 Degrees Global ( The Royal House of Windsor ) to make Diana: The Unheard Truth (w/t). During her lifetime, the Princess of Wales told her own version of her full life story just once — in 1991, on secret, taped conversations made with her close friend James Colthurst, which formed the basis of Andrew Morton’s book Diana: Her True Story . Love Monday TV has now partnered with Morton and Colthurst to secure “full and exclusive access” to those conversations decades after her 1994 death. The five hours of unheard tapes — spread across three episodes — provide revelations that “will change public perception of Diana forever,” said Love Monday TV.…