Mandatory Credit: Photo by REX/Shutterstock (1253035e) Simone Simmons Princess Diana's psychic, Simone Simmons, at home in Hendon, London, Britain - 21 Nov 2010 She has stated recently she 'cleansed' Princess Diana's engagment ring following her split from Prince Charles. So it shouldn't hold any bad luck for Prince William and Kate Middleton.