Over the last few years, Davina McCallher's warmth, humor, and charm have endeared her to millions of viewers and made her the first lady of reality television as the host of Big Brother. Behind this amazing woman is an incredible story of triumph over personal issues that for years were impossible to overcome. A tragic and turbulent past, beginning with a fractured childhood and difficult teens, meant Davina had to grow up fast, but the adult world did not sit easily with her. She eventually overcame these obstacles and now has a happy marriage, children, and achieved amazing weight loss. Thi.