There’s never an easy road to divorce, but Kelly Clarkson’s is getting bumpier with ex-husband Brandon Blackstock. A judge granted Clarkson primary physical custody of their children River Rose, 6, and Remington Alexander, 4, but Brandon Blackstock thinks he’s entitled to and needs $301K in spousal support and $135K in child support a month.  Doing the math, that’s $5.2 million a year. And he wants $2M for fees for his seven attorneys.

A source close to the family also tells PEOPLE “As Kelly has said, her first priority in all of this is to take care of the kids and all the hearts that are involved in this divorce,” the second source says. “It’s been a hard time for everyone, but Kelly’s pleased with the court’s ruling regarding custody.”

“Divorce is hard and it gets tense for most couples going through it. But Kelly’s primary focus is on doing the best she can to protect the kids,” the source adds. “In this case, she had to fight for them since Brandon and his attorneys were making unreasonable requests.”

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