Pamela Anderson walking from the St. Regis to Central Park with her son ... Tori Spelling and a friend looking lost in Midtown ... Naomi Watts taking a walk downtown with her son ... Mariska Hargitay and Luke Perry shooting scenes for Law & Order: SVU in Inwood ... Ivana Trump strolling down Madison ... Katie Holmes leaving an office building wearing baggy men's jeans ... Maria Bello posing outside NBC studios ... Antonio Sabato Jr. outside the CW11 studio ... Rebecca Romijn shooting a scene on the set of Ugly Betty ... Sarah Jessica Parker and Matthew Broderick leaving a restaurant in Midtown ... and Rihanna leaving Da Silvano with a group of friends.