Priscilla Presley has revealed Robert Kardashian once asked her to marry him – but she turned him down because she was still in love with Elvis Presley .

The 80-year-old actor and businesswoman makes the admission in her new memoir Softly, As I Leave You: Life After Elvis , which traces her turbulent life after divorcing the King of Rock 'n' Roll in 1973 – and which RadarOnline.com can reveal lays bare the toxicity of her marriage to the crooner like never before. Article continues below advertisement

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Two years after her split from Elvis – said to have left her tormented with his affairs and prescription dru

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