Sarah Jessica Parker making phone calls last night at a Barack Obama campaign center ... Macaulay Culkin standing on the sidewalk ... Katie Holmes and Suri wearing matching orange dresses in Central Park ... Philip Seymour Hoffman walking in the West Village ... Ashley Olsen and Paul Rudd posing outside the Letterman show ... Tyra Banks getting some frozen yogurt ... Lindsay Price carrying her dog on the set of Lipstick Jungle ... Keira Knightley walking with her boyfriend, Rupert Friend ... Becki Newton on the set of Ugly Betty ... and Mariah Carey and Nick Cannon outside a Halloween party at Marquee.