Kelly Clarkson was seen out and about for the first time since the death of her ex-husband, Brandon Blackstock. In photos published by the Daily Mail on Saturday, August 23, Clarkson, 43, was dressed in all black as she arrived at LAX airport. She donned dark sunglasses, sweatpants and a wide-brimmed hat while walking from her car. Blackstock died on August 7 at the age of 48 after privately battling cancer. "It is with great sadness that we share the news that Brandon Blackstock has passed away. Brandon bravely battled cancer for more than three years.