Kelly Clarkson’s ex-husband, Brandon Blackstock, tragically passed away last week at the age of 48 after a three year battle against cancer. The singer has rescheduled all her performing commitments to be there for the two children she shared with

Blackstock passed away at the age of 48 after a three-year battle with cancer, with his obituary now revealing new details about his life.

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.