Tyra Banks shopping in the West Village with a Gucci fanny pack around her waist ... Sienna Miller walking her dog (and picking up after her, too) ... Mary-Kate and Ashley Olsen leaving an office building in Midtown ... Anna Paquin arriving on the set of The Romantics on Long Island ... Katie Holmes carrying coffee on Long Island ... Regis Philbin walking on the Upper West Side ... 50 Cent leaving the PIX11 Morning News studios ... Shia LaBeouf filming scenes for Wall Street 2 on the Upper West Side ... Edie Falco taking a break while filming Nurse Jackie ... and Glee star Cory Monteith leaving dinner at Southern Hospitality.

Wow. Do we have a special one today. Jon Gosselin, seeking help from a rabbi. Alex Rodriguez thinks he's a centaur. Jessica Simpson's man requirements. Lady Gaga's ballet. RobPatz's marriage prospects. Presenting your epic Halloween Morning Gossip Roundup. Get scared:

Bar Refaeli heading to lunch yesterday at Lure Fishbar on Mercer Street ... Madonna and daughter Lourdes arriving at JFK ... Liev Schreiber and Naomi Watts getting on their Vespa last night ... Leighton Meester filming scenes with Blake Lively for Gossip Girl outside the Empire Hotel ... Lindsay Lohan walking downtown ... Hilary Swank leaving ABC Studios ... Mary Steenburgen and Ted Danson holding hands on the street ... Jon Gosselin and Hailey Glassman walking on the Upper West Side ... Kristen Johnston leaving a theater ... Matt Damon shooting scenes for The Adjustment Bureau ... and Rihanna arriving at Milk Studios in the meatpacking district.

Oct. 13 @ 4pm Laughing, walking toward her trailer. Penn Badgley was walking ahead but I totally missed him because I am an idiot and was so taken aback by her beautiful presence. [Submit Gawker Stalker sightings to stalker@gawker.com]

Leighton Meester released her "first" single today on Ryan Seacrest's radio show. It is horrible. Just as every actor wants to direct, every female TV star wants to be a singer. It never ends well.

Kelly Ripa getting a hot dog with son Joaquin ... Karolina Kurkova walking in Tribeca with fiance Archie Drury ... Agyness Deyn riding her bike to Bar Pitti ... Bar Refaeli walking near Bryant Park ... Kate Gosselin arriving at her hotel ... Shia LaBeouf riding a motorcycle while filming scenes for Wall Street 2 on Park Avenue ... Kim Kardashian walking with Jonathan Cheban in Midtown ... Jude Law talking on his cell phone outside, and later hanging out with friends in the West Village ... Megan Fox getting out of an SUV in front of Rockefeller Plaza ... Kim Cattrall walking on the Sex and the City 2 set ... Hugh Jackman unloading an SUV ... Rosie Perez waving to the crowd at the US Open ... Mary-Kate Olsen walking in Tribeca ... and Leighton Meester walking in the meatpacking district with her stylist Logan Horne.

On Tuesday evening, the Sundance Channel hosted a screening and cocktail party at the private club Norwood for Loic Prigent's new documentary series, The Day Before. Hosting the event were Proenza Schouler's Jack McCollough and Lazaro Hernandez and Nathalie Rykiel of Sonia Rykiel, who are featured in Full Frontal Fashion-branded series. On hand for the occasion: Gossip Girl's Leighton Meester, Vogue's Lauren Santo Domingo, fashion darling Julia Restoin Roitfeld, and stylist/Bravo star Rachel Zoe, who was accompanied by her husband (Rodger) and right-hand man (Brad Goreski). Cityfile correspondent Douglas Marshall caught up with Lorenzo Martone, advertising exec and fiancé of Marc Jacobs, and his date for the evening, model Julie Henderson, to talk Fashion Week strategy.

Courtney Love eating and walking ... Sarah Jessica Parker dressed up in '80s clothing and Chris Noth standing around on the set of Sex and the City ... Jon Gosselin leaving JFK with his mom ... Irv Gotti and Adrienne Bailon going to lunch at Da Silvano ... Christie Brinkley posing for pictures at the US Open in Queens ... Kelly Rutherford carrying her daughter Helena ... Aubrey O'Day arriving at the studios of WPIX with an iced coffee ... Taylor Momsen walking downtown ... and Leighton Meester and Ed Westwick shooting scenes on the set of Gossip Girl.

Sienna Miller walking with Jonny Lee Miller after having lunch at Cafe Gitane on Mott Street ... Rihanna arriving at the Bowery Hotel ... Drew Barrymore on the set of Going The Distance ... Philip Seymour Hoffman riding his bike downtown ... Tom DeLonge pushing a stroller in SoHo ... Christina Milian arriving at her hotel ... Leighton Meester filming scenes for Gossip Girl near Gramercy Park ... Britney Spears riding in a pedicab in Central Park, and later taking a CitySights tour with her dancers ... Jennifer Aniston leaving her trailer on the set of The Bounty in Queens ... Stephanie Pratt going to MTV studios in Times Square ... Hugh Jackman talking on his cell phone while driving with daughter Ava ... Hilary Duff going to the Britney Spears concert ... Gael Garcia Bernal and Amanda Seyfried shooting scenes for Letters to Juliet in SoHo ... and Sarah Jessica Parker leaving her West Village townhouse.

Leighton Meester acts obnoxiously in a fancy Hamptons restaurant, Bernie Madoff boned his secretaries, Shania Twain is an Idol judge, NeNe was a stripper, Erin Andrews gets dirty for GQ, Madonna turns 51, and Sean Penn's marriage is officially over.

• Remember how Sean Penn and Robin Wright Penn said they were divorcing a few months ago, but then changed their minds and announced they were getting back together? Yea, well, they're divorcing again. [P6, People]
• ESPN's Erin Andrews, the reporter who was filmed in the nude without her consent a few weeks back, can be seen in a new set of "dirty" photos. This time it was intentional, though. [NYDN]
• Celine Dion and the man she calls her husband (but who we always confuse with her grandfather for some reason) are expecting their second child. [OK]
• Leighton Meester was shouting and carrying on with her friends at Philippe in East Hampton last weekend, much to the annoyance of other diners present like NBC chief Jeff Zucker and billionaire Steve Schwarzman. [P6]

Nude photos of Ashley Greene hit the net, Oprah eats Manhattan, Lilo and Samro get back together, Renee Zellweger and Bradley Cooper vacation in Spain together, Leighton Meester and Sebastian Stan are in love and Kate Moss is aging rapidly.

Madonna regrets breaking up with Guy Ritchie because she's bored schtupping young men. Kate Major's still talking, for some reason, about Jon Gosselin. Leighton Meester went shopping and the SWAT team was called in. Here's your Saturday Morning Gossip Roundup:

• The "designer dog house" that Paris Hilton had built recently—which is equipped with chandeliers and air-conditioning—cost her $325K, or considerably more than what most Americans spends on human homes. [Luxist]
• Rosie O'Donnell and her partner Kelli Carpenter-O'Donnell are not splitting up, you'll undoubtedly be relieved to hear. [People]
• Kristin Davis of Sex and the City fame has found herself caught up in a dispute over Middle Eastern politics. You didn't expect to hear that, did you? [P6]
• Did MSNBC's Keith Olbermann use some pull to snag his girlfriend a job working as a reporter for WNBC? It wouldn't be the first time! [P6]

• The September issue of Harper's Bazaar features Susan Boyle in her first-ever fashion shoot. More importantly, Gossip Girl's Leighton Meester, who appears on the cover of the issue, shoots down the recent rumors that she took part in a sex tape. [Harper's Bazaar, Us]
• Rodarte's Laura and Kate Mulleavy will be designing a line for Target as part of its Go International series. Sweet. [WWD]
• Roberto Cavalli appears to have changed his mind for about the 20th time and decided against selling a stake in his company. [Reuters]

Michael Jackson's doctor is still just as sketchy as before. Tom Cruise will raise your kids for you. Jude Law's new baby's name, rappers, witches, Heroes, Gossip Girls, and Ashton Kutcher's fake life. Presenting an epic Saturday Morning Gossip Roundup:

Julianne Moore crossing the street in the Village ... Jennifer Aniston leaving her trailer on the set of The Bounty ... Russell Brand shopping in SoHo ... Elisabeth Hasselbeck eating an apple in the back seat of a Town Car ... Kim Kardashian walking under an umbrella ... Penn Badgley leaving Silvercup Studios in Queens ... Queen Latifah riding a bike in Central Park for her new movie, Just Wright ... Rihanna leaving an office building in Tribeca ... Hugh Dancy walking into MTV Studios on Times Square ... and Leighton Meester going to see Katy Perry perform at the Hammerstein Ballroom with boyfriend Sebastian Stan.

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.

Leighton Meester and Jessica Szohr eating lunch at Cafe Gitane on Mott Street ... Jennifer Lopez shopping at Christian Louboutin on Madison Avenue, and later rehearsing a scene for The Backup Plan at a Gray's Papaya ... Cindy Crawford arriving at JFK ... Alex Rodriguez getting into an SUV ... Tori Spelling leaving Cipriani Downtown ... Regis Philbin and Kelly Ripa leaving ABC Studios ... Robert Pattinson walking around downtown .. Chris Cooper filming a scene for Remember Me in Long Island City ... and Joe Jonas shopping with a "female friend" in SoHo.

Drew Barrymore crossing the street in Midtown ... Kelly Ripa checking her cell phone in SoHo ... Anne Hathaway eating lunch in the Village ... Heidi Klum leaving her hotel with an apple in hand ... Chris Kattan walking in the meatpacking district ... Amber Rose talking to friends outside her apartment downtown ... Emilie de Ravin and Robert Pattinson filming scenes for Remember Me in Brooklyn Heights ... Keyshawn Johnson walking with a friend downtown ... Kelly Osbourne leaving MTV studios ... Leighton Meester and Ed Westwick shooting a scene for Gossip Girl on the Upper East Side ... Nic Cage leaving his hotel in Midtown ... and Jennifer Aniston shopping at Only Hearts on Mott Street.