Brandon Blackstock's official cause of death has come to light, days after the talent agent and ex-husband of Kelly Clarkson died of natural causes at age 48.

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.