Brandon Blackstock, the talent manager and Kelly Clarkson’s ex-husband, has died after being diagnosed with cancer three years ago.

“It is with great sadness that we share the news that Brandon Blackstock has passed away,” a family rep said in a statement to People .

“Brandon bravely battled cancer for more than three years. He passed away peacefully and was surrounded by family. We thank you for your thoughts and prayers and ask everyone to respect the family’s privacy during this very difficult time.”

On Wednesday, Clarkson announced she was postponing her Las Vegas residency for the rest of August to spend time with their children, River, 11, and Remington, 9.

“While I normally keep my personal life private, this past year, my children’s father has been ill and at this moment, I

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