Brandon Blackstock's "soulmate" Brittney Marie Jones, identified in Blackstock's obituary as his "loving partner in life and business," previously worked as Kelly Clarkson's production assistant.

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.

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,