by Kristen HarrisBuzzFeedBuzzFeed StaffAs a staff writer at BuzzFeed, I write about all things celeb and pop culture. In the words of Kelsea Ballerini, "who you marry is not who you divorce." In celebrity splits, one of the biggest points of contention is often how to divvy up their massive wealth. Even with a prenup, things can get unfathomably expensive. Here are 21 celebs who had to pay wild amounts of money in their divorces: 1. Sia began publicly dating her second husband, Modern Medicine Services cofounder and CEO Daniel Bernad, in 2021.