Brandon Blackstock suffered from seizures as he bravely battled cancer. Kelly Clarkson’s ex-husband passed away last week at age 48 after a private three-year fight with melanoma, a serious skin cancer, but his death certificate reveals even more about his health issues.

Brandon Blackstock, Kelly Clarkson's ex-husband and talent manager, suffered severe symptoms while battling cancer, according to his death certificate. The document revealed that the former stepson of Reba McEntire struggled with pain during his last moments. It explained the cause and manner of his death.

Brandon's illness made headlines on August 6, 2025, when Kelly announced the postponement of her Vegas residency. Just one day later, he died. Find out what happened to him.