The family of Brandon Blackstock, Kelly Clarkson's ex-husband and the father of her two children, shared the tragic news that Blackstock has died at 48 from cancer.

Brandon Blackstock, a talent manager and Kelly Clarkson's ex-husband, has died of cancer. Gino Salomone joins FOX6 WakeUp with the details. Known as "black tumor," the cancer sends about 8,000 Americans to the grave each year — here's what you can do to avoid becoming one of them.