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 ...

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.