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Kelly Clarkson is keeping it lowkey in Los Angeles wearing a large hat and shades for her first outing since the passing of her ex-husband, Brandon Blackstock .

The singer was spotted donning an all-black outfit while arriving at LAX airport with her kids, River , 11, and Remington , 9, as well as her sister, Alyssa . The "American Idol" alum maintained a somber expression as she tried to corral her group and their belongings before heading into the airport. Play video content

This is the first time Kelly has been spotted since news of Brandon's passing broke earlier in August. As we reported at the time, BB was battling melanoma -- a serious form of skin cancer -- for several years before succumbing to his illness. Gallery Laun

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