India, Aug. 16 -- Kelly Clarkson is stepping away from the limelight for some time, as she and her family mourn the death of her ex-husband, Brandon Blackstock, who passed away earlier this month at the age of 48, following a painful battle with melanoma. The singer and talk show host, who shares two kids, daughter River and son Remington with Blackstock, has not made any public statement regarding his passing, but quietly cancelled the remainder of her Las Vegas residency shows for this month, which she had previously postponed due to her ex-husband's illness.

She has now pulled out of another major public appearance. The Kelly Clarkson Show host was set to perform at the Band Together Texas benefit concert on August 17, which aims to r...