Britney Spears and Kevin Federline squared off today in court and she is not budging when it comes to what she pays Kevin Federline in child support, saying he gets more than enough from her now.

Attorneys for both sides were in court as Spears' side requested to delay the case while they gather all the relevant financial documents (the conservatorship makes it a little tricky) but Federline is balking and wants the case to continue on schedule.

According to court documents obtained by The Blast, Spears claims the $20,000/month she pays K-Fed in child support is just the tip of the iceberg in what she pays for the kids. The "Toxic" singer says in addition, she pays for the kids' private school, tutoring, all sports and extracurricular activities, clothing, electronics, computers, and phones.

Britney Spears says that since she and Federline currently have 50/50 custody and that the $20k figure has been paid on time, every month, and it represents plenty of money to take care of the kids. more than she should ... so an increase is uncalled for.

In his opposition, K-Fed claims if the case goes on any longer, it will cause harm to the kids because they are starting school soon and he wants to get a house closer to school. He also claims he owes his attorney, Mark Vincent Kaplan, $80,000 in legal fees. K-Fed also says that the attorney fees could reach over $200,000.

The case remains ongoing.

As The Blast first reported, Federline put Spears on notice back in February that he wanted to re-examine their financial arrangements now that she’s making a ton of money.

The “Toxic” singer cuts a check for $20,000/month to Federline for their two sons, Jayden and Sean, which was based on a percentage of her income at the time the deal was hashed out.

Since her amazing comeback in recent years, Britney Spears has earned a ton of dough, especially with her Las Vegas residency where she banked $475,000 per show. She’s reportedly made around $15 million per year from the gig.

Federline claims he does not know Spears’ true income because she has refused to disclose anything about her finances to him. On the other hand, he claims to only make about $3,000/month and outlined his financial woes in a rather depressing declaration, writing, "My income has changed significantly since the child support was last modified in approximately 2008 because I no longer earn a six-figure income like I did in 2008. I am no longer able to perform as a dancer due to my age, and I have not been as successful in putting out new music as I was in 2008. I am simply less of a “name” and less in demand than I was in 2008, which has negatively affected my income."



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