Cityfile: New York's Most Notable and Influential

Derek Blasberg celebrated his birthday on Friday night with a "White Trash Black Tie" party, a theme the socials in attendance—like Fabiola Beracasa and Julia Restoin Roitfeld, above—clearly took to heart. Another photo of Fabiola with Byrdie Bell after the jump.More

Cartier celebrated its 100th anniversary in New York last night with a big bash inside its Fifth Avenue store. The celeb-heavy crowd included Elton John, Kate Hudson, Jessica Biel and Justin Timberlake, Anne Hathaway, Rachel Weisz, Demi Moore, Eva Mendez, Ashley Olsen, Zac Posen, Martha Stewart, Graydon Carter, Jeff Zucker, Robbie Myers, Patti Smith,  Russell Simmons and Julie Henderson, Tory Burch, Thakoon Panichgul, Erin Fetherston, Nanette Lepore, Phillip Lim, Coco Rocha, Hilary Rhoda, Daniel Boulud, Eli Weisel, Bruce Weber, Henrik Lundqvist, Ingrid Sischy, Beth Rudin DeWoody, Cornelia Guest, Susan Fales-Hill, Marjorie Gubelmann, Thora Birch, Chiara Clemente, Alexis Bryan, Dylan Lauren, Kelly Klein, and Cartier chief Frederic De Narp. [PMc, Wireimage, WWD]More

People talk a lot these days about how rare it is to find proper, hard-hitting journalism and how everything you read in newspapers has been muddied by biases and agendas. Thank God, then, for work like Spencer Morgan's in-depth interview with "the beautiful people's walker" Derek Blasberg, which in inimitable Observer fashion leaves no stone unturned to reveal the man behind the rumors and misconceptions. More

The Friday Party Report | Magnus Berger and Tenzin Wild's The Last Magazine threw a party last night to celebrate its second issue and the end of Fashion Week. Guests included Alexander Wang, Phillip Lim, Richard Chai, Michael Stipe, Gabi Asfour, Byrdie Bell, Vladimir Restoin-Roitfeld, Zoe Kravitz, Daisy Lowe, Stavros Niarchos, Natasha Poly, Derek Blasberg, Julia Stegner, designer Robert Geller, PC Valmorbida, Justin Portman, and Jamie Burke. [PMc, Wireimage, GoaG, SF]More

Lycée Français de New York honored Dior president Sidney Toledano at its 10th annual gala at 7 World Trade Center on Friday night. The event, which was co-chaired in part by by Olivier Sarkozy and his wife Charlotte, attracted Eric and Sandra Ripert (left), Robbie Myers, Bernard Aidan, Bettina Zilkha, Catherine Malandrino Glenda Bailey, Cathy Horyn, Kassy and Liya Kebede, Delphine and Reed Krakoff, Susan Fales-Hill, Yannick Noah, Virginia Smith, Alejandra and Jeffrey Kluger, Stacey Bronfman, Assouline and Martine Prosper, Fabrizio and Maryane Freda, and Veronica Bulgari. [PMc, FWD, WWD, NYSD]More

♦  Present at Bette Midler's Hulaween benefit gala for the New York Restoration project: Suze Orman (dressed as big pile of money, left), André Leon Talley, Gloria Estefan, Gloria Gaynor, Donna Karan, Kathy Griffin, Michael Kors, Pink, Jimmy Buffett, John McEnroe and Patty Smyth, Ray Kelly, and Cindy Adams. [PMc, Wireimage, NYO] More

Dylan Lauren celebrated the re-launch of Dylan's Candy Bar on Monday night with a bash at her Third Avenue store. In addition to siblings Andrew and David and mom Ricky, guests included Woody Allen and Soon-Yi (with their kids), Ivanka Trump, Donald Trump Jr. and wife Vanessa Trump, Lauren Bush, Dan Abrams, Olivia Palermo, Katie Lee Joel, Rachel Roy, Fabiola Beracasa, Stacey Bendet, Eric Villency, Jamee Gregory, Bettina Zilkha, Amy Sacco, Thom Filicia, Dori Cooperman, Ingrid Sischy, Dave Zinczenko, Kelly Killoren Bensimon, Karen Duffy, Kira Plastinina, Jason Biggs, Tyson Beckford, and fraudster Tatiana Boncompagni. [PMc, NYO, Wireimage, GoaG]More

♦  It was the Metropolitan Opera's 125th opening night on Monday and so naturally a long list of recognizable faces trooped out for the occasion. In floor-length gowns and tuxes to walk the red carpet and watch Renée Fleming: Barbara Walters, Howard Stringer, Michael Bloomberg, Helen Mirren, Christie Brinkley, Faye Dunaway, Molly Sims, Taylor Momsen, Martha Stewart, Hilary and Bryant Gumbel, Henry Kravis, Mercedes Bass, Ann Ziff, Georgina Chapman (left), Helena Christensen, Jane Fonda, John Lithgow, Juliana Margulies, Joy and Regis Philbin, John Turturro, Parker Posey, Peggy Siegal, Ellen and Chuck Scarborough, Deborah Norville, Julie Macklowe, and Tory Burch. [Park Ave Peerage, NYSun, Wireimage, PMc]More

We've done it! We've figured out just what set into motion the financial crisis that has led to billions in losses, demolished two investment banks (so far), and led to tens of thousands of lost jobs. It all goes back to Friday, March 7th when sleazy club owner Simon Hammerstein, headband-wearing scenester Arden Wohl, gay party boy Derek Blasberg, heiress Amanda Hearst, and gala staple Claire Bernard turned up at the New York Stock Exchange to ring the closing bell. Clearly, their mere presence at the exchange unleashed some sort of vicious curse on the markets. Don't believe us? Below you'll find a chart that shows the price of Lehman Brothers since that fateful Friday—or "Black Friday" as the day will henceforth be known—and you'll have all the proof you need that this visit was what doomed the storied firm. More

1) At the New York premiere of spy thriller Traitor at the Regal Union Square last night, the film's stars Don Cheadle, Guy Pearce, Said Taghmaoui, and Mozhan Marno walked the red carpet along with director Jeffrey Nachmanoff, Busta Rhymes, Jesse Williams, Estelle, Aubrey O'Day, and Nicole Miller. [NYO/Wireimage]

2) Further downtown mayhem surrounded the opening of the Nike sportswear store at 21 Mercer Street: Giant electronic billboards and a marching band heralded the arrival of Roger Federer, Maria Sharapova, and Serena Williams, who were joined by Mark Ronson (who DJed), Annabelle Dexter-Jones, Spike Lee, Katy Perry, Richie Akiva, Q-Tip, Justin Theroux, Alan Cumming, Cory Kennedy, Lily Cole, Alexander Wang, and many others. [Teen Vogue/PMc]More

1) Piaget launched its new Limelight Paris-New York Collection last night with a party at The Loft & Garden at Rockefeller Center, where Leighton Meester and Emmy Rossum (left) mingled with Liv Tyler, Maggie Gyllenhaal, Becki Newton, Mena Suvari, Joe Zee, Lisa Anastos, Lydia Fenet, Allison Aston, Adam Lippes, Roopal Patel, Zoe Kravitz, Philippe Leopold-Metzger, Geoffrey Bradfield, Gillian Miniter, Kate Schelter, Meredith Melling Burke, and Paul Sevigny. [FWD, PMc] 

2) Elie Tahari unveiled his spring 2009 accessories collection with a party last night. Guests included Carson Kressley, Dennis Basso, Meredith Melling Burke, Susan Kellogg, Roopal Patel, Linda Fargo, Simon van Kempen, Alex McCord, Rob Banning, and Basil Corbett, who sipped champagne and previewed Tahari's collection in the courtyard garden. [FWD, PMc]More

1) At the Harold Pratt House, the New Yorkers For Children Fall Gala was previewed with a Tuesday night gathering of Campion Platt, Andre Leon Talley, Jeffrey Kalinsky, Beth Rudin DeWoody, Dayssi Olarte De Kanavos, Douglas Hannant, Kate Schelter, Katie Lee Joel, Derek Blasberg, Debbie Bancroft, Joy Bryant, Daniel Benedict and Andrew Saffir, Annelise Peterson, Jamee Gregory, Fern Mallis, Jennifer Creel, Fabiola Beracasa, Oscar De La Renta, Thakoon Panichgul, Tom Florio, Zac Posen, Zani Gugelmann, Lauren Santo Domingo, Phillip Lim, Heather Mnuchin, and Peter Som. [Guest of a Guest]

2) Many of the above then headed down to Chelsea, where the fashion crowd embraced their new style icon Michelle Obama at a cocktail party and dinner fundraiser organized by Vogue and Calvin Klein.