Madonna heading into Adour on East 55th Street last night to reportedly meet her ex-husband, Sean Penn, for dinner ... Madonna and Jesus Luz bundled up and wearing face masks as they leave a movie theater after catching a screening of Avatar on Wednesday night ... Steve Schirripa and Michael Imperioli sitting in the stands at a Knicks game at Madison Square Garden ... Blake Lively and Chace Crawford shooting scenes for Gossip Girl on the Upper East Side ... Nick Jonas waving to photographers outside the Late Show with David Letterman ... Jessica Simpson arriving at the Ambassador Theatre on West 49th Street to watch sister Ashlee's performance in Chicago ... and Angelina Jolie filming stunt scenes for Salt.