THE NEW DADS Their babies were born a day apart, so it's only natural that Brad Pitt, 42, and longtime buddy Gavin Rossdale, 40, took time to celebrate – by revving up their engines at Pitt's Santa Barbara compound. While Rossdale's wife Gwen Stefani and 2-month-old son Kingston said hello to Angelina Jolie and new daughter Shiloh, the boys were riding four-wheelers (left, with Maddox Jolie-Pitt, 4).