Robbie Williams shared a screenshot of his final message to Liam Payne, who he mentored on The X Factor along with One Direction's Harry Styles, Niall Horan, Louis Tomlinson and Zayn Malik.
After Liam Payne, who made up One Direction along with Harry Styles, Zayn Malik, Niall Horan and Louis Tomlinson, died unexpectedly Oct. 16 at age 31, authorities have shared his cause of death.