Renee Zellweger and Bradley Cooper loading up an SUV before heading to the airport ... Blake Lively shopping with friends in the meatpacking district ... Nicole "Snooki" Polizzi leaving the studios of WPIX on Friday ... Chris Noth paying a visit to the Museum of Natural History ... Annie Potts leaving the Jacobs Theatre after a performance of God of Carnage ... actor Zachary Levi arriving for an appearance on The Late Show with David Letterman ... and Leighton Meester standing on the set of Gossip Girl.