“ONE LAST SONG TO MY SON, MY LOVE”… The country music world is in mourning after the sudden death of Brandon Blackstock, 48, father of two, and ex-husband of Kelly Clarkson. The son of country legend Reba McEntire, Blackstock passed away peacefully at his Montana ranch after what family described as “unexpected health complications.” In a moment that will be remembered for years, Kelly Clarkson and Reba McEntire — once family by marriage, now bound by loss — stood side by side at the altar to sing “Because You Loved Me”, the Celine Dion ballad Brandon had always called his “life soundtrack.” By the final note, the entire chapel was in tears — including River Rose, 10, and Remington Alexander, 8, sitting in the front row, hand in hand, their faces etched with a loss too great for words…