A pregnant Karolina Kurkova walking in Tribeca with fiancé Archie Drury ... Catherine Zeta-Jones taking her kids Dylan and Carys to Pier 59 where she was celebrating her birthday ... Jared Leto riding a bike in SoHo ... Kirsten Dunst walking downtown ... Jennifer Hudson leaving her hotel with husband David Otunga ... Sienna Miller signing autographs outside her new Broadway play, After Miss Julie ... Cynthia Nixon walking in SoHo ... Oprah sitting in the back of an SUV ... Whitney Port filming scenes for The City on Friday afternoon ... Matthew Broderick riding bikes with son James in the Village ... Jonah Hill hanging out with a friend downtown ... and Rihanna leaving dinner at the Spotted Pig, and then going to the 40/40 club.