Angelina Jolie and Brad Pitt picking up a few things for the kids from a street vendor on Park Avenue ... Lindsay Lohan leaving Century 21 with an armful of bags last week, and sitting in the stands at a Rangers game at Madison Square Garden on Saturday ... Sarah Jessica Parker and Matthew Broderick carrying their twin daughters in the West Village ... Ashlee Simpson and Pete Wentz shopping at the Union Square Greenmarket on Thursday and leaving their apartment on Saturday ... Liam Neeson walking his dog in Millbrook, New York ...and Natalie Portman going into a building late last week with her dog, Charlie.