Cityfile: New York's Most Notable and Influential

Spotted | Iman crossing the street in SoHo ... Meg Ryan leaving Pastis after having lunch ... Jeremy Sisto pushing his daughter in a stroller in the West Village ... Sienna Miller getting in an SUV in Midtown ... Naomi Watts walking downtown with her son and her dog ... Katie Holmes shooting scenes for The Romantics in Southold, Long Island ... Levi Johnston walking around in a hoddie and holding a Men's Warehouse shopping bag ... Katharine McPhee checking in for a flight at LaGuardia ... Shakira leaving MTV studios in Times Square ... and Ashley Tisdale going to dinner at Ollie's on West 42nd Street.

Spotted | Mischa Barton arriving at JFK, and walking into the Mercer Kitchen in SoHo a few hours later ... Emile Hirsch getting out of an SUV in Times Square ... Leighton Meester walking to the Gossip Girl set in Central Park ... Katy Perry going shopping in the meatpacking district ... Ashley Tisdale arriving at JFK with her dog in tow ... Hugh Jackman walking with his kids Oscar and Ava in the West Village ... Drew Barrymore and Christina Applegate shooting scenes for Going the Distance ... Russell Brand getting out of a taxi in the meatpacking district ... and Rihanna going to dinner at Cipriani Wall Street.

Happy Birthday | Lindsay Lohan turns 23 today. Larry David is turning 62. Singer Michelle Branch is 26. High School Musical star Ashley Tisdale turns 24. The chairwoman of the New York City Opera, Susan Baker, is turning 59. Nobel Prize-winning neuroscientist Richard Axel turns 63. Former New Hampshire governor John Sununu is 69. Former model Jerry Hall is 53. Retired baseball player José Canseco turns 45. And Imelda Marcos, the former First Lady of the Philippines, celebrates her 80th birthday today.

Spotted | Courtney Love sitting on a stoop with a friend in the West Village ... Usher arriving at JFK ... Whitney Port hanging out with a friend in SoHo ... LeBron James walking around in Harlem ... Lindsay Lohan heading into Blue & Cream on Bowery ... Donald Sutherland carrying luggage outside the London NYC in Midtown ... Diane Sawyer walking in Times Square ... Queen Latifah getting in a limo ... Rihanna going to dinner at Scalinatella on East 61st Street ... Alessandra Ambrosio carrying daughter Anja Louise in the Village ... Tracy Morgan sitting down on the set of A Couple of Cops in Brooklyn ... Ashley Tisdale grabbing coffee with boyfriend Scott Speer ...  Melissa Joan Hart walking in Midtown ... Michelle Pfeiffer getting out of an SUV outside ABC Studios ... George Lopez leaving his hotel in Midtown ... Robert Pattinson filming scenes for his new movie, Remember Me, in Greenwich Village ... and Heidi Klum leaving Bar Pitti.

Spotted | Ethan Hawke walking with wife Ryan Shawhughes and his three kids ... Nick Cannon and Mariah Carey getting out of their Maybach ... a cheery-looking James Franco holding a notebook and cup of coffee ... Diane Kruger hailing a cab ... Steven Tyler dressed in leopard pants outside the Trump International Hotel ... Bill Murray leaving a store with a woman ... Katie Holmes shopping with Suri and her parents ... Rihanna and Chris Brown catching a flight at LaGuardia ... Ashley Tisdale holding hands with her boyfriend at JFK ... and Amy Poehler, Cameron Diaz, and Casey Affleck heading into the SNL afterparty.

Spotted | Matthew Broderick riding his bike in Tribeca ... Keri Russell crossing the street ... Gavin Rossdale signing autographs outside ABC ... Kelly Ripa jogging outside for a TV segment ... Ugly Betty's Becki Newton and Michael Urie hugging on the sidewalk ... Alex Rodriguez leaving a parking garage in Midtown ... Kelly Cutrone in Soho, screaming on her cell phone ... Nastia Liukin on the set of Gossip Girl ... Zac Efron, Ashley Tisdale, and Vanessa Hudgens leaving lunch at Serendipity 3 on East 60th ... Katie Holmes getting out of an SUV outside the Schoenfeld Theatre ... and Tom Cruise and Suri boarding a helicopter.

Spotted | Alex Rodriguez walking in Midtown with Guy Oseary ... Madonna with kids Rocco and Lourdes on a trip to Chelsea Piers ... Ashley Tisdale and Vanessa Hudgens standing outside the GMA studios ... Tom Cruise and Katie Holmes on their way to a cocktail party for All My Sons ... The Hanson brothers hanging out in Times Square for some sort of PR stunt ... Jason Schwartzman and Olivia Thirlby on the set of their new film, Bored to Death ... The cast of Gossip Girl standing on set ... Anna Wintour, Vera Wang, Tory Burch, Donna Karan, and many others walking into the Golden Heart Awards Dinner ... and a long list of notables entering last night's Whitney gala, including the host of the event, Donatella Versace.