Julia Stiles walking in the snow ... Cameron Diaz and Paul Sculfor shopping in SoHo ... Naomi Campbell walking to lunch in Midtown ... Natalie Portman filming scenes for her new movie downtown ... Katie Holmes and Suri visiting a pre-school ... Dustin Hoffman crossing the street ... Liam Neeson walking in Central Park ... Jessica Szohr carrying presents in Midtown ... Richard Chamberlain leaving the Trump International hotel ... Renee Zellweger leaving a building with a coffee cup in a hand ... and John Mayer and Jennifer Aniston going to dinner at La Esquina, around the same time Kelly Ripa and Mark Consuelos turned up, too.