Meg Ryan hailing a cab on Houston Street ... Joan Rivers leaving lunch at Michael's with her new boyfriend, Perfect 10 magazine founder Norm Zada ... Whitney Port walking in the West Village ... Agyness Deyn leaving Souen on Sixth Avenue after having lunch with friends ... Taylor Momsen waving to fans on the set of Gossip Girl in Brooklyn ... Courtney Love walking in SoHo ... Sophia Bush and boyfriend Austin Nichols at LaGuardia ... Elle Macpherson leaning on a police car on the set of The Beautiful Life ... Hugh Grant leaving a photo shoot ... Diane Kruger getting out of a limo in Midtown, and later arriving at MTV in Times Square ... Tyra Banks talking on her phone during a break from taping her show in Union Square ... and Mischa Barton taking her dog for a walk .