Watch: Caroline Flack's Cause of Death ConfirmedContent warning: This story discusses suicide, self-harm and allegations of domestic violence. Caroline Flack's family and friends are sharing her story. In Caroline Flack: Search for the Truth, the Love Island U.K. host's inner circle debunked assumptions surrounding a December 2019 domestic incident involving her and boyfriend Lewis Burton, detailing how the media circus surrounding allegations against the 40-year-old led to her suicide months later.