Jimmy Kimmel walking around SoHo yesterday with friends ... Diane Kruger shopping for baby clothes on the Upper East Side ... Mariah Carey and Nick Cannon arriving at JFK ... Sarah Jessica Parker walking to the public library in the West Village with son James ... Bethenny Frankel leaving Rockefeller Center yesterday after an appearance on the Today show... Ugly Betty's America Ferrera walking her dog on Broadway, just south of Union Square ... Catherine Zeta-Jones signing autographs outside the Walter Kerr Theatre on Monday night ... and Brad Pitt carrying daughter Shiloh on the set of Salt at Pier 66.