The official cause of death for Kelly Clarkson’s ex-husband Brandon Blackstock has been revealed. In initial reports regarding his death, it was revealed that Blackstock, who was married to the singer and daytime talk show host,

Brandon Blackstock, the talent manager and former husband of Kelly Clarkson, died of melanoma, a form of skin cancer, on Aug. 7. The Silver Bow County Coroner Dan Hollis tells PEOPLE Blackstock "passed away peacefully at his home in Butte,

Kelly Clarkson’s ex-husband, Brandon Blackstock, died from skin cancer three years after being diagnosed. Dan Hollis, the coroner for Silver Bow County in Montana, confirmed Blackstock had died from melanoma in a Monday statement to People magazine. The manner of death was natural causes.