Olivia Palermo sipping a drink in the Village ... Keri Russell pushing son River in a stroller in Brooklyn ... Michelle Trachtenberg shopping with a friend in SoHo ... Rihanna grabbing a bite at the Golden Krust Caribbean Bakery around Herald Square ... Diane Keaton shooting scenes for Morning Glory in Battery Park ... Hugh Jackman carrying son Oscar on his back in SoHo ... Katy Perry flipping off photographers in front of the Standard Hotel ... Blake Lively walking to the Gossip Girl set in Midtown ... Robert Pattinson hugging a fan at JFK ... Mariah Carey and Nick Cannon posing for pictures in Tribeca ... and Russell Brand walking in SoHo with an unidentified female.