Sources say Kevin Costner's ex-wife regrets divorce after support war loss.

Christine Baumgartner, Kevin Costner's ex-wife, is said to regret parting ways with the Yellowstone actor. 

After her $400 million divorce claims for heavy child support payments were denied, according to RadarOnline.com. 

As we previously mentioned, Costner and Baumgartner announced earlier this month that they had reached an agreement to put an end to their nasty legal dispute. 

The 49-year-old unemployed handbag designer felt she had little choice but to settle down with Costner, 68, after her former source. 

Of income triumphed in numerous legal battles, including one involving their prenup, according to reports. 

"Christine gave in because her attorney told her to 'cut bait and run,' a source told The National Enquirer. 

The actor's formidable legal team had already been able to reduce the support payments for the couple's children, Cayden (16), Hayes (14), and Grace (13), by a significant amount. 

Baumgartner received a $129k temporary support award at first. A few days later, she wanted a $32,000 increase in the sum. 

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