(59 PHOTOS) July 12 - Britney Spears attending at a sporting event for Jayden and Sean in Calabasas

Calabasas, CA - A casually-dressed Britney Spears shows off her toned arms as she spends time with her children, as well as Kevin Federline and his family. The two exes prove that they can indeed get along as one big happy family by attending a sporting event together for the sake of their children. Kevin brought his wife Victoria Prince and his two children with her, while Britney brought her boyfriend David Lucado along with her two sons.