We've all heard stories of A-list stars having to fork out huge child support payments to their former partners, and some of the numbers are eye-watering. If you're a high-earning movie star and your family is accustomed to a certain lifestyle, then those monthly maintenance payments are going to set you back a dollar or two. From Kevin Costner to Britney Spears, find out what the Hollywood elite pay their exes in child support below… Kevin Costner and Christine Baumgartner Bodyguard actor...