Tina Brown hailing a cab ... Sarah Jessica Parker walking son James to school ... Star Jones getting in a cab outside the Trump International ... Rachel Bilson carrying a bag from Whole Foods in Soho ... Justin Timberlake hitting balls at the driving range at Chelsea Piers, and later jogging along the West Side Highway with Jessica Biel ... Rachel McAdams and Josh Lucas riding bikes in Soho ... Kate Winslet walking in the West Village ... Jennifer Aniston getting out of an SUV ... Christina Milian arriving at her hotel in Midtown ... and Katt Williams getting in a green Lamborghini outside his hotel.