The singer was scheduled to appear at Miranda Lambert and Parker McCollum's Band Together Texas event taking place on Sunday to support those affected by the floods in July. However, Clarkson has canceled as a result of Blackstock's death last week, according to a since-expired Instagram Stories post from the concert's organizers.

Kelly Clarkson wasn’t mentioned in an obituary for her late ex-husband, Brandon Blackstock, who passed away on August 7. The obituary reveals that Blackstock, 48, was surrounded by loved ones when he died at home, ending her 3-year battle with cancer, alongside a touching summary of his life and career. “To know Brandon was to …