Dunne had been receiving stem cell treatments in Europe for bladder cancer . He was working on his final book , due out in December . He covered the lives of the wealthy and notorious for Vanity Fair . He also wrote best - sellers and hosted a show on truTV .
Dunne had been receiving stem cell treatments in Europe for bladder cancer . He was working on his final novel , due out in December . Dunne covered the trials of the wealthy and notorious for Vanity Fair . He also wrote best-sellers and hosted a show on truTV .