United Kingdom, Aug. 13 -- Reba McEntire has paid tribute to her former stepson Brandon Blackstock following his death.

Brandon, 48, passed away last week after a secret three-year battle with melanoma and Reba - who was married to Brandon's father Narvel Blackstock from 1989 to 2015 - shared her grief in a comment on her son Shelby Blackstock's Instagram post.

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

"For every treasured moment we shared,...