Jay-Z chatting on his phone while getting into a car outside his Tribeca building ... Ethan Hawke and Ryan Shawnhughes pushing their newborn, Clementine, through the Village ... Sheryl Crow playing with son Wyatt on a downtown sidewalk ... Mario Lopez hailing a cab in Chelsea ... Rachel Weisz and Darren Aronofsky on the set of a Vogue photo shoot in the East Village ... Jessica Simpson shopping at Bergdorf Goodman ... Blake Lively and Leighton Meester shooting scenes for Gossip Girl in Brooklyn ... Keri Russell taking a stroll through SoHo ... Kirsten Dunst and Agyness Deyn at a concert at McCarren Park Pool ... Sam and Charlotte Ronson leaving the Bowery Hotel with Lindsay, Dina and Ali Lohan.