Brandon Blackstock's obituary reveals details about his life after his Kelly Clarkson divorce, including his 'loving partner' Brittney Marie Jones

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.