Lindsay Lohan and Samantha Ronson getting on the subway at Spring Street ... Kate Beckinsale smoking on the sidewalk in SoHo ... Naomi Watts shopping at Whole Foods on Houston Street ... Naomi Campbell leaving her hotel ... John Legend walking around town ... Beyonce talking on her phone at JFK ... Penn Badgley and Blake Lively under an umbrella on the set of Gossip Girl ... Christina Aguilera getting into an SUV with son Max ... Joshua Jackson on the set of Fringe ... Aretha Franklin arriving at her Midtown hotel ... The Who's Roger Daltrey going for a walk ... Marion Cotillard and Guillaume Canet crossing the street ... Katie Holmes coming back at her East Village apartment after a matinee performance on Broadway ... and Sarah Jessica Parker taking son James to school.