Image Credit: WireImage Brandon Blackstock, a talent manager, Kelly Clarkson's ex-husband and former stepson of Reba McEntire, died on August 7, 2025, after battling cancer. He was 48 years old. Blackstock's death came just hours after Clarkson announced she was postponing her Las Vegas residency for the sake of her and Blackstock's two children. As fans and friends of Blackstock grapple with the news, many want to learn what type of cancer he was living with. Blackstock and Clarkson divorced in 2022 after separating in 2020.