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, has passed away after a three-year cancer battle, his family said in a statement. The Silver Bow County Coroner, Dan Hollis, confirmed to TODAY.com that Blackstock's cause of death was melanoma and the manner of death was natural causes.