Kelly Clarkson suddenly canceled her Vegas shows, and now we know why—her ex, Brandon Blackstock, was fighting cancer for over three years. He passed away surrounded by family, and fans are stunned since the illness was kept so private. Kelly and Brandon share two kids, and she dropped everything to be with them during this heartbreaking time. Still no word on the exact type of cancer, but the news has everyone talking. #Health #BodyHealth #BrandonBlackstock