KELLY Clarkson's ex-husband Brandon Blackstock has died from cancer at just 48 years old.

His death came after the singer abruptly canceled shows in Las Vegas to rush to her family's side.

In a statement, a representative for the star said, "It is with great sadness that we share the news that Brandon Blackstock has passed away.

"Brandon bravely battled cancer for more than three years," they told People .

"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."

Clarkson postponed her residency in Los Angeles on Wednesday to spend time with her and Blackstock's children River, 11, and Remington, 9.

She said, "While I normally keep my personal life private,

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