Reba McEntire is speaking out after her stepson Brandon Blackstock 's death .

McEntire, 70, responded to a Friday, August 8, Instagram post by her son, Shelby Blackstock , whom she shares with ex Narvel Blackstock .

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

Three days later, McEntire echoed similar sentiments in the comments section.

"Very well said Shelby. Yes we will miss him so much ," she responded.

McEntire then took to her own Instagram to pay tribute to Brandon. "Last week, my stepson/oldest son Brandon Blackstock went home to be

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