The former talent manager spent his last days at his $1.8 million Montana ranch while silently battling cancer.

Brandon Blackstock's death was announced a day after his ex wife Kelly Clarkson postponed her Las Vegas tour, and now a source has said his final days were spent at the place he felt most 'at home'

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