Lady Gaga leaving Nobu last night after having dinner ... Cate Blanchett crossing the street in NoHo ... Sienna Miller leaving Jude Law's apartment with Jonny Lee Miller ... Kim Kardashian arriving at JFK, and later leaving the Wendy Williams Show ... Jason Bateman and Beth Ditto arriving at MTV in Times Square ... Taylor Lautner getting off a flight at JFK ... Taylor Swift walking in Midtown with a couple of bodyguards ... Rihanna arriving at JFK to catch a flight ... Taylor Momsen walking to the set of Gossip Girl ... and Rachel Uchitel going into an Equinox gym and later walking downtown with a friend.