India, Aug. 8 -- Singer-songwriter, Kelly Clarkson has announced the postponement of the remainder of her Las Vegas residency. The decision comes amid ongoing health issues faced by her ex-husband Brandon Blackstock. Kelly shared that she has prioritised being there for their children. The singer took to Instagram and posted, "Unfortunately, I need to postpone the remainder of the August Studio Session dates in Las Vegas. While I normally keep my personal life private, this past year, my children's father has been ill and at this moment, I need to be fully present for them. I am sincerely sorry to everyone who bought tickets to the shows and I so appreciate your grace, kindness and understanding (sic)." The 43-year-old did not disclose further details about Brandon's (48) condition. The singer shares two children with him - daughter River Rose (11), and son Remington "Remy" Alexander (9). htc...