Brooke Shields and daughter Rowan taking a walk through SoHo ... Penelope Cruz leaving the ABC studios ... Katie Holmes and Suri checking out Little Mermaid on Broadway ... Diane Sawyer showing up at Jean Georges for lunch ... Leighton Meester walking around downtown in a strapless dress ... Brody Jenner filming a commercial in Washington Square Park ... Cosby Show alum Lisa Bonet filming a scene for a new TV show on the Lower East Side ... and Petra Nemcova showing off her new haircut at the screening for the film Holly.