Sienna Miller and Balthazar Getty making out on the sidewalk in the West Village ... Jessica Alba and Cash Warren walking in Brooklyn with baby Honor ... Michelle Williams taking daughter Matilda to the doctor's office, then getting in a car with Spike Jonze ... Eva Mendes on the set of her new film ... Daniel Radcliffe jogging on the sidewalk ... Tom Cruise and Katie Holmes leaving the American Felt building with Suri ... Dina and Ali Lohan attending a Halloween charity event ... America Ferrera on the set of Ugly Betty in Gramercy Park ... Lauren Conrad posing for photos outside the Letterman show, and later going out with her new boyfriend Kyle Howard ... and Pink leaving the Alexander McQueen store on West 14th.