Brandon Blackstock stayed largely out of the spotlight in recent years. The talent manager, who died at age 48 on August 7 after a private battle with melanoma, made his final public appearance at the Critics’ Choice Awards.

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.

Kelly Clarkson and her kids received an outpouring of love from her fans on social media after PEOPLE confirmed her ex Brandon Blackstock's death on Aug. 7. The talent manager was 48 and died after living with cancer for three years.