Kelly Clarkson has canceled her upcoming benefit concert appearance in Texas following the death of her ex-husband and former manager, Brandon Blackstock. The official Instagram account for the Band Together Texas benefit concert shared a post via their Instagram Stories confirming Clarkson, 43, will not be attending the Sunday, August 17 event. "Unfortunately, Kelly Clarkson will be unable to appear at Band Together Texas as planned, due to personal circumstances," the Monday, August 11, statement read. "We send our love to Kelly and her family.