Princess Diana's close confidante has revealed how the late royal was deeply worried about Camilla becoming a substitute mother to her sons after divorcing Prince Charles.
In a TV interview, Dr James Colthurst recalls her worries, saying: "Her big fear was that this is not a substitute mother for the boys. That they would try to sideline Diana and that Camilla might use her post."
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Baronet's son Dr Colthurst became close friends with Diana during the period she worked as a nanny before her marriage to Prince Charles in 1981.
He was the go-between who ferried tapes of Diana's confessions to author Andrew Morton for his blockbusting book of revelations, Diana: Her True Story.