Christine Baumgartner, American actor Kevin Costner's ex-wife, is suing him for excessive child support payments, Page Six reported.

The designer, 49, wants the "Yellowstone" star, 68, to pay her $248,000 a month to help raise their three children: Cayden Wyatt, 16, Hayes Logan, 14, and Grace Avery, 13, according to court documents obtained by People Wednesday.