Reba McEntire's son, Shelby Blackstock, is paying homage to his late half-brother, Brandon Blackstock , who is also Kelly Clarkson's ex-husband.

On Instagram , the professional race car driver shared a bevy of photos of them through the years and talked about the legacy his brother has left behind.

"Words cannot begin to capture the tremendous loss our family has endured. Yesterday, we lost a brother, a father, a grandfather, and a son," he said. "Brandon Blackstock was an irreplaceable part of our family — funny, bright, and full of life — and he will be deeply missed."

"He taught me so much, leaving behind countless cherished memories that I will hold onto forever. For every treasured moment we shared, there are so many more we’ll never get to make together, but I know you’ll stil

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