Asked by Jo Whiley on BBC Radio 2, the 'Iconic' singer said that there is "a whole lot of ground to cover" in a book about her life and career.
"I've got so many tales to tell. If I wrote my book, that would be from start to finish. And that's a whole lot of ground to cover.
"I think I would tell the stories that I felt were valuable to tell, that were inspiring, that people could relate to. I'm a storyteller, that's what I think of myself as, I would share stories that I think would inspire people," she said.