Kelly Clarkson's former husband and the father of her two children died following a three-year battle with cancer, his representative said on Thursday.

He was 48.

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“It is with great sadness that we share the news that Brandon Blackstock has passed away," a spokesperson for Blackstock said in a statement.

"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.”

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Clarkson had announced on Wednesday that she was postponing the rest of

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