Kelly Clarkson's ex-husband Brandon Blackstock dies aged 48 Brandon Blackstock, Kelly Clarkson's ex-husband, has passed away at the age of 48. 7 August 2025 Brandon Blackstock has died aged 48. Brandon Blackstock and Kelly Clarkson finalised their divorce in 2022 The talent manager - who was the ex-husband of Kelly Clarkson and the former stepson of Reba McEntire - has passed away after battling cancer for more than three years. A family rep told People: "It is with great sadness that we share the news that Brandon Blackstock has passed away.