Blackstock has passed away following a secret three-year battle with cancer, a family spokesperson revealed in a statement.

Brandon Blackstock, a talent manager and former husband of singer Kelly Clarkson, has died following a battle with cancer. He was 48.

A lot of questions have surrounded Kelly Clarkson over the past several months due to absences from her talk show and canceled concert dates. An unfortunate explanation came on August 7, when it was revealed that her ex-husband Brandon Blackstock died of cancer after a private three-year battle.