Robbie Williams is "terrified" of dying after the passing of his friend Shane Warne. The 48-year-old singer admits that he has been left contemplating his own mortality after the sudden death of the Australian cricket legend – who died at the age of 52 from a suspected heart attack in Thailand last week. Robbie told Australia's Herald Sun newspaper: "His passing has inspired me to think about life in a different way – and the fragility of life is terrifying.