Courtney Love shopping downtown ... Mischa Barton talking on her phone while eating lunch outside with a friend ... Paul McCartney waving to photographers in East Hampton ... Dave Zinczenko, Dan Abrams, and Julia Allison having dinner at Copa in Bridgehampton ... Julia Roberts leaving her trailer on the set of Eat, Pray, Love ... Sophia Bush going inside Pop Yogurt on West Broadway and Spring Street ... Drew Barrymore shooting scenes for Going the Distance ... Kourtney and Khloe Kardashian leaving the Howard Stern Show in Midtown ... and Beyoncé and Jay-Z having an early dinner at Bar Pitti on Saturday.