The supermodel has stripped off for fashion magazines countless times, but now it's her personal life that will be laid bare in the tell-all documentary.
Is Kate about to reveal more than we've ever seen before?
According to Grazia, Kate has hired a camera crew to film her as she embarks on a worldwide tour to promote her new Rizzoli coffee table book.
Kate is keeping mum about her latest plans, but a fly-on-the-wall look into her lifestyle would be a surefire hit with fans and fashionistas alike.
The reality venture is a surprising turn from Kate, who claims former flame Johnny Depp taught her to keep an air of mystery around her.
In her new book, she wrote: "I was lucky to be with Johnny. He taught me a lot about fame.
"He told me, 'Never complain, never explain.' That's why I don't use Twitter and things like that. I don't want people to know what is true all the time and that's what keeps the mystery."
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