Sienna Miller stepping out of the Gramercy Park Hotel ... Jonah Hill leaving the Bowery Hotel ... Adam Brody and Jessica Szohr leaving dinner at Cafeteria in Chelsea ... Hilary Duff filming scenes for Gossip Girl in SoHo ... Rihanna arriving at the 34th Street Heliport ... Lou Reed eating breakfast at Le Pain Quotidien in the West Village ... Jennifer Aniston walking downtown ... Snoop Dogg arriving at the Trump International Hotel ... Julia Roberts shooting scenes for Eat, Pray, Love in the East Village ... Channing Tatum and wife Jenna Dewan posing for photographs outside their hotel ... Shia LaBeouf walking by himself in SoHo ... and Drew Barrymore hiding her face from photographers after eating lunch at the Bowery Hotel.