Reba McEntire's son Shelby Blackstock remembered his half-brother on Friday, admitting that the reality of Brandon Blackstock's death hits fresh every single day. Shelby and Brandon Blackstock share a father in Narvel Blackstock, Reba's ex-husband. Brandon Blackstock died on Aug. 7, 2025 after a 3-year cancer battle. A few days after his death, a Montana coroner confirmed that Blackstock died of natural causes after a cancer battle. He was five years older than Clarkson (age 44).