Kevin Costner wins ugly child support battle with estranged wife Christine Baumgartner: Judge slashes sum she receives for their three children in HALF to $63,000 a month

Kevin Costner has scored a dramatic victory in his divorce battle with estranged wife Christine Baumgartner after a judge in Santa Barbara slashed her child support payments to $63,000 per month - less than half of the $129,000 she currently gets and considerably less than the $161,000 she wanted. The 68-year-old star took the stand Friday morning and was grilled by his estranged wife Christine Baumgartner's legal team The hearing concerns the future of their three children: sons Cayden, 15, Hayes, 14, and daughter Grace, 13 Costner and Baumgartner are pictured during their September 2004 wedding at his Aspen ranch The hearing was at the request of Baumgartner's team - who had scored a victory of their own in June when child support was temporarily set at $129,000. Costner said during his testimony that he will 'probably go to court' over smash hit series Yellowstone Costner frequently made quips and drew chuckles from onlookers but turned serious when the discussion turned towards the revenues he has made from Yellowstone Costner's lawyer accused Baumgartner of making 'unreasonable' financial demands His attorney Laura Wasser made a short opening statement. Costner's new role is due to his ongoing divorce battle with the pair fighting over child support payments – he wants to pay $60,000 per month while she is demanding $161,592.