Madonna carrying son David into the Kabbalah Center on East 48th Street ... Whitney Port walking in SoHo ... Blake Lively shooting a scene for Gossip Girl in Times Square ... Pete Wentz leaving the SoHo Grand with a coffee in hand ... Denzel Washington and wife Pauletta leaving lunch at Nello's ... Clay Aiken leaving the Shubert Theater ... Jennifer Hudson posing for photos outside MTV in Times Square ... Anne Hathaway standing outside outside the Letterman show ... Katie Holmes leaving her apartment en route to the Schoenfeld Theatre ... and Britney Spears making her way into the Fragment jewelry store on Prince Street, then checking out In The Heights on Broadway later that night.