Billy Joel leaving his building and heading to Nello's (!) for lunch ... Michelle Williams walking daughter Matilda to school ... Blake Lively shopping downtown ... Kelly Ripa and Mark Consuelos attending a Rangers game with their kids ... Courteney Cox arriving at her hotel after an appearance on Regis & Kelly ... David Arquette leaving his hotel ... Kelly Rutherford on the set of Gossip Girl in Queens ... America Ferrera filming scenes for Ugly Betty ... Andy Samberg walking with girlfriend Joanna Newsom in SoHo ... Mary-Kate Olsen and Ashley Olsen leaving ABC after an appearance on GMA ... and Alex Rodriguez walking with Kate Hudson to Serafina to have lunch.