Penn Badgley and Blake Lively hailing a cab outside Billy's Bakery in Chelsea ... Drew Barrymore walking downtown ... Mickey Rourke smoking a cigarette on the street ... Naomi Watts and Liev Schreiber pushing son Alexander in a stroller ... Hugh Jackman hanging out in the West Village with wife Deborah Lee and daughter Ava ... Julianne Moore walking downtown ... Matt Damon shooting scenes for The Adjustment Bureau outside the courthouses on Centre Street ... Susan Sarandon leaving Pastis ... Anderson Cooper leaving ABC studios after an appearance on Live with Regis and Kelly ... Penelope Cruz leaving her hotel ... reality TV star Gretchen Rossi and Slade Smiley kissing in the meatpacking district ... Chris Pine leaving the Bowery Hotel ... Hilary Duff going to see A Steady Rain on Broadway with a friend ... and Salma Hayek attempting to get past some paparazzi on the Upper West Side.

Natalie Portman arriving at the Broadhurst Theatre for opening night of Hamlet ... Liev Schreiber and Naomi Watts riding a scooter downtown ... Blake Lively arriving on the Gossip Girl set in Tribeca ... and Ed Westwick shooting scenes in Central Park ... America's No. 1 dad, Jon Gosselin, shopping on the Upper West Side ... Hugh Jackman carrying his kids' scooters in the West Village ... Pete Wentz standing in front of his hotel in Midtown ... Hilary Duff arriving at Silvercup Studios in Queens ... Khloe Kardashian arriving at JFK to catch a flight back to LA ... Sienna Miller partying at a club and signing autographs ... and Michael Douglas and Shia LaBeouf filming scenes for Wall Street 2 at the Central Park Zoo.

It's been a tough year for Annie Leibovitz, but maybe she can start fresh from here on out? The financially challenged photographer turns 60 today. Others celebrating: designer Donna Karan is turning 61. Kelly Ripa turns 39. Lorraine Bracco is 55. Sting is 58. Actress Camilla Belle is turning 23. '80s pop star Tiffany is 37. And two of Hugh Hefner's latest girlfriends, Karissa and Kristina Shannon, are turning 20. A roundup of a few people celebrating birthdays this weekend—including Al Sharpton and Liev Schreiber—is below.

Olivia Palermo holding hands with boyfriend Johannes Huebl in the West Village ... Liev Schreiber carrying son Sasha on his shoulders downtown ... Andrew McCarthy on the 86th Street crosstown bus ... Hilary Duff shooting scenes for Gossip Girl with Penn Badgley and Jessica Szhor in Chelsea ... Matthew Broderick walking son James to school in the Village ... Maggie Gyllenhaal and Peter Sarsgaard eating lunch outside at Cafe Gitane on Mott Street ... Matt Damon walking to the set of The Adjustment Bureau ... Wyclef Jean standing outside Vento Trattoria on Hudson Street ... Vanessa Williams and Michael Urie shooting scenes for Ugly Betty ... and Naomi Watts leaving the Schoenfeld Theatre.

Scarlett Johansson walking to the gym with Ryan Reynolds in Midtown ... Naomi Watts and Liev Schreiber sitting on a stoop in SoHo ... Kate Hudson driving a car ... Sienna Miller walking her dog on Prince Street ... Jon Gosselin shopping in SoHo ... Hugh Jackman getting in an SUV with his wife and kids (and later picking pumpkins in Connecticut) ... Shia LaBeouf hanging out on the set of Wall Street 2 ... Matt Damon walking to the set of The Adjustment Bureau near Rockefeller Center ... Mary Louise Parker hugging new boyfriend Charlie Mars on the sidewalk ... and Whitney Port walking by herself in the East Village.

John Mayer leaving his building ... Sean Penn getting out of an SUV with model Jessica White ... Sarah Jessica Parker leaving the gym ... Ted Danson and Mary Steenburgen holding hands in Nolita ... Mena Suvari walking until an umbrella ... Calvin Klein and Ross Bleckner eating at Bar Pitti ... Miranda Kerr getting out of an SUV with her puppy ... ... Liev Schreiber and Naomi Watts pushing a stroller in the East Village ... Daniel Craig signing autographs outside his Broadway show ... Mischa Barton leaving Gemma on the Bowery ... Charlize Theron walking with Stuart Townsend ... Justin Timberlake leaving the Jay-Z concert, and signing autographs for fans at the US Open over the weekend ... Nigel Barker walking with his wife and daughter in the West Village ... Alessandra Ambrosio getting out of an SUV ... Matt Dillion at Da Silvano ... photographer Bruce Weber walking on Bleecker Street ... Kelly Rutherford carrying her son near Bryant Park ... Jessica Stam walking in the West Village ... and Ed Westwick and Jessica Szohr leaving the Gramercy Park Hotel.

Lindsay Lohan buying a bottle of water downtown ... Mary-Kate Olsen leaving a yoga class in SoHo ... Christina Applegate arriving at ABC studios in Midtown ... Sienna Miller shopping at Williams-Sonoma in SoHo ... Mark McGrath walking downtown ... Renee Zellweger getting in an SUV after an appearance on Good Morning America ... Liev Schreiber carrying his bike into his apartment in NoHo ... Amanda Seyfried shooting scenes for Letters to Juliet in Bryant Park ... Nikki Sixx leaving his hotel ... Blake Lively hailing a cab, and later talking to Sebastian Stan on a Gossip Girl shoot at the Brooklyn Botanical Gardens ... Viola Davis walking in Tribeca ... and Whitney Port going grocery shopping at the Citarella in SoHo.

Ivanka Trump talking on her cell phone ... Elijah Wood walking in SoHo with girlfriend Pamela Racine ... Jay-Z scowling at a photographer in the Garment District ... Heidi Klum holding her son's hand after leaving dinner at Cipriani Downtown ... Gerard Butler shooting scenes for The Bounty in the West Village ... Joan Rivers leaving a movie theater uptown ... Liev Schreiber walking by himself downtown ... Maria Bello drinking wine outdoors ... Drew Barrymore and Justin Long hanging out on the set of Going the Distance in Brooklyn ... Kelly Clarkson signing autographs outside her hotel in Midtown ... and Kelly Bensimon jogging in the West Village.

Nicole Kidman and Keith Urban crossing the street in Midtown ... Orlando Bloom checking out motorcycles at the Ducati dealership on Sixth Avenue ... Haley Joel Osment riding the subway ... Rachel McAdams running on the set of Morning Glory in Midtown ... Pierce Brosnan talking on his cell phone during lunch ... Naomi Watts and Liev Schreiber arriving at JFK with sons, Alexander and Samuel, and Liev’s mom ... Mark McGrath eating lunch with girlfriend Carin Kingsland at Delicatessen on Prince Street ... Jessica Szohr shooting scenes for Gossip Girl in Soho ... Heidi Klum leaving her hotel with a big cup of coffee ... Hugh Jackman eating lunch at Da Silvano with his wife and kids ... Emilie de Ravin walking on the set of Remember Me in Cobble Hill ... and Tim Robbins pushing his bike downtown.

Liv Tyler leaving lunch at Sant Ambroeus on West 4th Street ... Liev Schreiber riding his Vespa downtown ... Anne Hathaway walking in SoHo ... Whitney Port shopping in the West Village ... Hilary Swank and Jeffrey Dean Morgan filming scenes for The Resident in Brooklyn ... Kiefer Sutherland walking in the West Village ... Courtney Love walking by herself near Gramercy Park ... Heidi Klum shopping with her mom and kids in the meatpacking district ... Emilie de Ravin walking on the Lower East Side ... Rihanna hanging out at East Side Ink in the East Village ... Renee Zellweger and Bradley Cooper hailing a cab outside Antonucci on East 81st Street.

• Tyra Banks took the stand to testify against accused stalker Brady Green yesterday and explained how she's had to hire a bodyguard and driver as a result of the incident. She also said she's no longer jogging outside and has been forced to hire a personal trainer, but we're pretty sure she had one of those long before Green came along. [NYDN, NYP]
• After 13 years of marriage, Sean Penn has filed for legal separation from wife Robin, news that may not come as a huge surprise given his long list of rumored paramours, including Petra Nemcova, Helena Christensen, Ines Misan, Naomi Campbell and Natalie Portman. [P6, People, Extra]
• Liev Schreiber and Naomi Watts' son, Sasha, was admitted to the hospital on Tuesday night for respiratory issues. [People]
• Madonna supposedly wants a summer house in the Hamptons. But she can't find a place willing to put up with her horse-related demands. [P6]
• Meanwhile, baby Mercy's 24-year-old father is demanding full custody of his daughter, since Madonna lacks "good morals." [NYP]

David Letterman attending a Rangers game at Madison Square Garden and seated not far from where Jimmy Fallon was cheering on the team with his wife, Nancy Juvonen ... John Leguizamo and wife Justine walking their poodle ... Hilary Duff running errands near Union Square ... Liev Schreiber and Naomi Watts carrying coffee downtown ... Brad Pitt visiting Angelina Jolie on the set of Salt ... Rachel McAdams walking in the West Village ... America Ferrera, Michael Urie, and Becki Newton on the set of Ugly Betty ... John Goodman wandering around by himself ... and Arpad Busson leaving Uma Thurman's townhouse in the Village with her son Levon.

Marisa Tomei walking with her boyfriend, Logan Marshall Green ... Jon Stewart shopping with his wife and kids on 8th and Broadway ... Christy Turlington and Ed Burns crossing the street with their kids in Tribeca ... ... Lauren Conrad leaving JFK ... Joy Bryant holding a baby during a lunch at Gemma ... Anderson Cooper walking by himself ... Jay-Z and Beyonce shopping in Soho ... Naomi Watts and Liev Schreiber walking to Pinkberry with their son and dog ... Rachel McAdams and Josh Lucas getting out of a car in front of their hotel in Soho ... Heidi Klum and Seal arriving at LaGuardia with their kids ... Josh Hartnett walking with a friend in Soho ... and Tori Spelling and Dean McDermott leaving dinner at Cipriani Downtown.

Bar Refaeli eating lunch at Bar Pitti ... Lauren Conrad shopping with a friend at Topshop ... Josh Hartnett walking in Tribeca ... Seal leaving the Equinox in Soho ... Jerry Seinfeld arriving at Yankee Stadium right before Jay-Z turned up ... Geraldo Rivera walking in Midtown ... Naomi Watts and Liev Schreiber jogging downtown ... Ben Affleck talking on his cell phone outside Rockefeller Center ... Agyness Deyn shooting a commercial with Gabriel Aubrey and later getting into an SUV... Ciara leaving her hotel ... and Joy and Regis Philbin walking home on the Upper West Side.

Heidi Klum and Seal crossing the street with their kids in Soho ... Gisele Bundchen walking in the West Village ... Drew Barrymore leaving ABC Studios after a taping of Regis and Kelly ... Elisabeth Hasselbeck carrying son Taylor on her hip ... Agyness Deyn walking with a mystery man in Soho ... Zac Efron talking on a cell phone outside his hotel ... Kelly Ripa leaving a press event in the meatpacking district ... Liev Schreiber and Naomi Watts carrying their two kids in Soho ... and Beyonce and Jay-Z leaving the Waverly Inn after dinner.

Whitney Port and (ex-boyfriend!) Jay Lyon walking together in the West Village ... Sarah Jessica Parker leaving her townhouse with her mail in hand ... Julianne Moore walking along Sixth Avenue with husband Bart Freundlich and their kids ... Liev Schreiber carrying his son and a stroller in the East Village ... Paul McCartney getting out of an SUV on the set of Have You Heard About the Morgans? ... Sean Connery walking on the Upper East Side ... Jennifer Aniston carrying a script on the set of The Baster ... Ozzy Osbourne heading into an interview on Howard Stern's radio show ... and Kiefer Sutherland arriving for dinner at the Waverly Inn.

• Bruce Willis tied the knot with Victoria's Secret model Emma Heming this weekend at his home in Turks & Caicos. He's 54; she's 30. Guests at the wedding included his daughters, Madonna, and Demi Moore and Ashton Kutcher. [NYP, LAT]
• Natasha Bedingfield got married on Saturday, too, to a California businessman in Malibu. [People]
• 64-year-old tech billionaire Jim Clark married his 28-year-old girlfriend this weekend with a four-day event on Richard Branson's Necker Island. Guests included Naomi Watts, Liev Schreiber and Ed Norton. [NYP]
• Harrison Ford and Calista Flockhart finally got engaged. [People]
• Alas, it's not all happy news: Agyness Deyn and Albert Hammond Jr. have reportedly broken up. [NYM]

Kelly Ripa jogging in Central Park ... Ed Westwick and Jessica Szohr walking their dog ... Danny DeVito filming scenes for his new movie, When In Rome ... Michelle Williams walking with Matilda in Brooklyn ... Liev Schreiber and Naomi Watts pushing son Alexander in a stroller in the West Village ... Jay Mohr carrying his dog in Midtown ... Khloe and Kourtney Kardashian leaving Owl Lab on East 12th Street ... and Josh Duhamel getting out of a cab in front of his hotel.

Chace Crawford hailing a cab in the West Village ... Mickey Rourke walking into Nello's on Madison Avenue ... Cameron Diaz leaving her apartment building ... Kate Winslet taking her daughter to school ... Tyra Banks having lunch at Gusto on Greenwich Avenue ... Steve Martin standing on the set of his new movie in Brooklyn ... Naomi Watts and Liev Schreiber holding hands while walking downtown ... and Katie Holmes filming scenes for The Extra Man outside the Russian Tea Room.

The snowstorm didn't stop art and society scenesters from stopping off at the New York Academy of Art on Monday night. Guests at the Tribeca Ball included Liev Schreiber, Justin Timberlake, and event co-chair Eileen Guggenheim (left), along with Bill Clinton, Andre Balazs, Andy and Kate Spade, Adam Weinberg, Jason Wu, Nicole Miller and Kim Taipale, Monet Mazur, Alek Wek, Bettina Zilkha, Poppy de Villeneuve, Jennifer Creel, Jean-Pierre Roy, Ludwig Kuttner and Beatrix Ost, stylist Ric Pipino, Heather Mnuchin, Liam McMullan, Antoine and Maureen Chiquet, and artist Will Cotton. [PMc, Wireimage, VF, FWD, Style.com]