Brandon Blackstock, the ex-husband and former manager of pop star Kelly Clarkson, has died after a three-year battle with cancer. He was 48 years old. The news was confirmed Thursday by Blackstock’s management company.

Brandon Blackstock, a talent manager known as both the ex-husband of Kelly Clarkson and the former stepson of Reba McEntire, has died. He was 48.

Kelly Clarkson's ex husband and father of her two children, Brandon Blackstock, has died, and the family's loss makes their last Instagram posts even sadder.