7 / 8

Kevin Federline, Britney Spears

Kevin Federline and Britney Spears during Mariah Carey and Jermaine Dupri Host GRAMMY After Party Sponsored by LG at Private Home in Hollywood, Califormia, United States. (Photo by J.Sciulli/WireImage for Ogilvy Public Relations)

The Ugliest Celebrity Custody Battles

Exes Halle Berry and Gabriel Aubry have made headlines lately as they battle for their daughter. Check out other star couples who fought each other for custody ... often for years.