Kelly Clarkson’s estranged husband, Brandon Blackstock, is reportedly seeking an “unreasonable” amount of spousal and child support amid their ongoing divorce.

The talent manager is supposedly seeking $436,000 a month for spousal and child support after the American Idol winner was awarded primary physical custody of the pair’s children on Monday (November 30).

"Brandon's been equally unreasonable in his requests for child and spousal support, as well as attorney fees," an insider told PEOPLE. "Kelly's offered to pay for all the kids' expenses, but Brandon seems to think he is entitled to and needs $301K in spousal support and $135K in child support per month."

Blackstock stands to receive more than $5.2 million a year if his request remains — but that’s not all. “Additionally, he's already asked for $2M for attorney fees when he's the one driving up the cost of the divorce with seven attorneys just representing him alone," the source added.

These monetary requests came hours after a Los Angeles County judge granted the “Behind These Hazel Eyes” singer-songwriter primary custody of their children — daughter River, 6, and son Remington, 4.

As TMZ reported, Blackstock had pushed for getting joint custody of Remy and River, proposing their time be split between his Montana ranch and Clarkson’s LA home. This arrangement was not accepted as the “Broken & Beautiful” superstar believed her estranged husband’s request “would be detrimental to the kids.”

Ultimately, as the gossip outlet notes, a much more specific custody arrangement — in which the kids will be with Clarkson for the most part — was reached instead, which gives both parents “joint physical and legal custody.”

A family source told PEOPLE the 38-year-old musician is “pleased” by the custody ruling, which indicates Remy and Remington will remain with Clarkson in LA. Blackstock gets their children on the first, third, and fifth weekends of each month. However, on the first and fifth weekends, he “must be in Los Angeles” to spend time with their kids. Their babies are only allowed to travel to Montana on the third weekend of the month.

Additionally, it’s been stipulated that neither parent can badmouth the other to their children, nor can they imbibe or smoke “weed” within eight hours of operating a car with their kids inside.

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