Paparazzi GPS: Rob Pattinson Mobbed; Courteney Cox in Hollywood

Today's edition of Paparazzi GPS features Rob Pattinson being mobbed by fans in NYC and Courteney Cox stepping out in Hollywood.

Other stars spotted out and about include gracious newlywed Reese Witherspoon, recently voted-off "American Idol" contestant Paul McDonald, "Dancing with the Stars" dancer Karina Smirnoff, and more.