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Kelly Clarkson announced that her ex-husband, Brandon Blackstock, "has been ill" this year

In an Aug. 6 Instagram post, she revealed she is postponing dates of her Las Vegas residency to focus on their children

"I so appreciate your grace, kindness and understanding," the singer wrote in the post

Kelly Clarkson is taking time away to focus on her family.

On Wednesday, Aug. 6, the singer-songwriter revealed her ex-husband, Brandon Blackstock , is ill and that she'll be postponing her Las Vegas residency to spend time with their children, River, 10, and Remington, 8.

"Unfortunately, I need to postpone the remainder of the August Studio Session dates in Las Vegas," Clarkson wrote in an Instagram post.

The statement continued: "While I normally keep my personal life priv

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