Costner and Baumgartner are parents to sons Cayden, 18, and Hayes, 16, and daughter Grace, 15. Baumgartner currently receives a whopping $63,000 per month in child support.

Kevin Costner 's ex-wife, Christine Baumgartner, is set to walk down the aisle again almost two years after finalizing their divorce. However, her upcoming wedding is reportedly causing tensions ...