Kelly Clarkson and Brandon Blackstock have reached a new agreement in their divorce, now that a Los Angeles judge has ordered the singer to pay $200,000 per month in spousal and child support.The former couple had already made child custody agreements, of their six-year-old daughter River and four-year-old son Remington, with their kids temporarily traveling back and forth between California and Montana, and ultimately awarding Kelly primary physical custody.Blackstock was initially requesting