Friend of the couple Jerry Hall confirmed the happy news. "Bob has proposed," Jerry told the Daily Mail. "She is over the moon. Jeanne Marine has been a rock and a tower of strength over this. I'm so excited for her I am bursting to tell someone.
Peaches Geldof's elder sister will wed artist Andy Robertson
"Bob and Jeanne have been through hell, but they are determined something positive will come out of it. After all the sadness, we need something to focus on which will bring joy and light.
"I've just got back from Texas and accompanied Jeanne to the funeral," she continued. "It was, of course, terribly sad, but she told me that Bob had asked her to marry him out of the blue.
"I'm so happy for her. It makes you realise we all have to value what we have."
Fifi posted this "sunny sideways selfie" along with the photo of her ring