Kelly Clarkson's ex husband Brandon Blackstock dies at 48 from cancer

Industry Impact - The death of Brandon Blackstock, a talent manager, impacts the entertainment industry [1] - Kelly Clarkson, a singer and TV host, is cancelling Las Vegas residency dates, affecting the entertainment schedule [2] Personal Impact - Blackstock's death due to cancer after a three-year battle is a personal tragedy [1] - Blackstock leaves behind four children, including two with Kelly Clarkson, impacting their family life [2]