Free Arts NYC hosted its 10th annual art and photography auction last night. Attendees at the Calvin Klein Collection-sponsored event, which was hosted by Kevin Bacon and Michelle Monaghan, included Calvin Klein's Francisco Costa and Italo Zucchelli, Amy Sacco, Glenda Bailey, Julia Restoin Roitfeld, Hilary Rhoda, Ed Westwick, Lindsay Price, Karolina Kurkova, Yvonne Force Villareal, Zani Gugelmann, Kimberly Guilfoyle and Eric Villency, Thom Browne, Molly Sims, Andrew Saffir, Beth Ostrosky, Erin Fetherston, Mary Alice Stephenson, David Granger, Helen Lee Schifter, Glenn O'Brien, Kate Schelter, Richard Chai, Jeremy Kost, Mickey Boardman, Kathryn Neale, Ross Bleckner, Simon de Pury, and Andrew Fry. [PMc, Wireimage, FWD, SF]

Jay McInerney's latest book, How It Ended, was feted at the 21 Club on Wednesday night. On hand for the occasion: McInerney's wife, Anne Hearst, Brooke Shields, Candace Bushnell and Charles Askegaard, Gay and Nan Talese, Morgan Entrekin, Nina Garcia, Pamela Fiori, Bob Colacello, Richard Johnson and Sessa Von Richthofen, Peggy Siegal, Muffie Potter Aston, Bettina Zilkha, Cornelia Guest, Debbie Bancroft, Valesca Guerrand-Hermes, Nina Griscom, Somers White Farkas, Patrick McMullan, Robert Couturier, George Farias, Tatiana and Campion Platt, Kimberly Rockefeller, Pamela Gross, Harry Slatkin, Dana Hammond, Harry Benson, and Deborah Norville. [PMc, VF, P6]

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.

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]

Graydon Carter, Robert De Niro, and Ron Perelman hosted a Vanity Fair-sponsored dinner at the State Supreme Court House last night to celebrate the opening of the Tribeca Film Festival. They were joined by Carter and De Niro's wives (Anna Scott Carter and Grace Hightower) and Tribeca Film Fest co-founders Craig Hatkoff and Jane Rosenthal, as well as a long list of guests, including Bono and Ali Hewson, Kanye West, Diane von Furstenberg, Jared Kushner and Ivanka Trump, Tory Burch and Lyor Cohen, André Leon Talley, Fran Lebowitz, Spike Lee ... (continued)

• Spring sales normally begin around Memorial Day. They're starting much earlier this year, although retailers would prefer if you called them "promotions," okay? [NYM]
• The ridiculously delayed sixth season of Project Runway—which Lifetime CEO Andrea Wong is ridiculously describing as "fashionably late"—will debut on August 20. [THR]
• What does Kate Moss do with her old Topshop dresses? She hands them off to her poor assistant, naturally! [Grazia]
• The shoot for Prada's fall ad campaign took Steven Meisel four days to complete and required the presence of a live horse. [FWD]
• Arnold Scaasi, best known for dressing Abigail Fillmore for her first public appearance as first lady in 1850, is the latest designer to complain about Michelle Obama's wardrobe. [WWD, Vogue UK]
• Is Rachel Zoe looking for an assistant on Craigslist? Possibly! [CL via Racked]

The New Yorkers for Children benefit attracted a predictably star-studded crowd to the Mandarin Oriental on Wednesday night. In addition to Zac Posen and Coco Rocha in matching ensembles, guests included Josh Hartnett, Emmy Rossum, Andre Balazs, Christine and Steve Schwarzman, Rachel Roy, Rachel Zoe, Topper and Tinsley Mortimer, Lucy Sykes Rellie and husband Euan Rellie, Andres and Lauren Santo Domingo, Alexis Bryan, Fabiola Beracasa, Gillian Hearst Simonds, Diane Kruger and Joshua Jackson, Gillian and Sylvester Miniter, Olivia Palermo ...

Filmmaker and Transcendental Meditation enthusiast David Lynch brought Paul McCartney and Ringo Starr together for the first time in years as part of the Change Begins Within benefit at Radio City Music Hall on Saturday night. A slew of celebrity performers and guests were on hand for the occasion, including Sheryl Crow, Laura Dern, and Ben Harper (with Ringo, left), as well as Jerry Seinfeld, Yoko Ono, John McEnroe, Martin Scorsese, Howard Stern and Beth Ostrosky, Matthew Broderick, Moby, Jennifer Aniston, Desiree Gruber and Kyle MacLachlan, Isabella Rossellini, David Arquette, Michael J. Fox, Robin Quivers, Eddie Vedder, Jason Bateman, Barbara Bach, Bettye LaVette, and Mike Love. [Wireimage, Getty, VF, NYO]

The Museum of Natural History held its annual dance last night.

Saks CEO Steve Sadove was honored at a fundraising gala for the Fashion Institute of Technology last night at Cipriani 42nd Street. Sadove was presented with an award from Michael Bloomberg ("This is an evening I like to call Saks and the City!") and guests including FIT president Joyce Brown, Olivia Chantecaille, Jason Wu (left), Carolina Herrera, Tom Florio, Fern Mallis, Robbie Myers, Joe Zee, Amy Astley, Peter Som, Stacey Bendet Eisner, Susan Fales-Hill, Dan Peres, Bill Cunningham, Scott Harrison, Steven Kolb, Saks President Ronald Frasch and his wife Georgia, former State Comptroller Carl McCall, and actress Sarah Wynter. [PMc, Wireimage, NYO, FWD]

Yves Saint Laurent sponsored the Metropolitan Opera's 125th Anniversary Gala at Lincoln Center on Sunday night. YSL creative director Stefano Pilati was on hand to welcome the likes of Brooke Shields (left), Claire Danes, Claudia Schiffer, Kanye West and Amber Rose, Parker Posey, Kim Heirston, Mia and Patrick Demarchelier, Diane Kruger and Joshua Jackson, Richard Meier, Jeremy Irons, Willem Dafoe, Ingrid Sischy, Emily Mortimer and Alessandro Nivola, Sally Singer, Woody Allen, Stefano Tonchi, James Levine, Renée Fleming, Peter Martins, Julianna Margulies and Keith Lieberthal, Zoe Saldana, Daphne Guinness, Julie Macklowe, Plácido and Marta Domingo, Ginnifer Goodwin, Becki Newton, Patricia Clarkson, Austin Scarlett, and Met mega-donor Mercedes Bass. [PMc, Wireimage, Style.com, VF, FWD]

Jamie Dimon (left) is the CEO of JPMorgan. Byrdie Bell (right) goes to a lot of parties. What do the two have in common? Absolutely nothing, except they're both celebrating birthdays today: Dimon is 53; Bell is turning 24. William H. Macy turns 59 today. Kathy Hilton, the woman who brought Paris Hilton into this world, is 50. Emile Hirsch is 24. Mets pitcher Johan Santana is turning 30. Political commentator Charles Krauthammer is 59. Mediabistro founder Laurel Touby is turning 46. Common is 37. Danny Masterson is 33. Dana Delany is 53. And Neil Sedaka is turning 70. Weekend birthdays after the jump!

The Museum of the City of New York's Director’s Council held its annual Winter Ball last night. Among the 600 attendees at the Versace-sponsored event were Steve and Christine Schwarzman, Patricia Duff, Allison and Peter Rockefeller, Shoshanna Lonstein Gruss (left), Andrew Rosen, Wilbur and Hilary Geary Ross, Rachel and Ara Hovnanian, Nicole Miller and Kim Taipale, Woody Johnson and Suzanne Ircha, Meredith Melling Burke, Dennis Basso, Valesca Guerrand Hermès, Amanda Cutter Brooks, Helen Lee Schifter, Celerie Kemble, Cristina Cuomo, Sylvester and Gillian Miniter, Dayssi Olarte de Kanavos, Marjorie Gubelmann, Cynthia Lufkin and Dan Lufkin, Debbie Bancroft, Heather Mnuchin, Jennifer Creel, Zani Gugelmann, John Demsey, Jonathan and Somers White Farkas, Mark Gilbertson, Alexandra Lebenthal and Jay Diamond, Byrdie Bell, Allison Brokaw, Peter and Jamee Gregory, Geoffrey Bradfield, Antony Todd, Serena Boardman, Tatiana and Campion Platt, Maggie Betts, Johannes Huebl and Olivia Palermo, Bronson Van Wyck, Douglas Hannant, Karen Duffy, Jack Bryan, Brian Reyes, Yigal Azrouel, and Amy Fine Collins. [PMc, NYSD, MS, WWD, GoaG]

A recap of the last few days in benefits and parties—including the Frick Collection's Young Fellows Ball, above—is after the jump.

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]

amfAR kicked off Fashion Week with a gala at Cipriani last night, where the long list of attendees included Donna Karan, Mary J. Blige (left), Anna Wintour, Calvin Klein, Rachel Zoe, Julia Restoin Roitfeld, Liza Minnelli, Candy Pratts Price, Robbie Myers, Jessica Stam, Lily Donaldson, Kenneth Cole, Stefano Tonchi, John Demsey, Stacy Bendet, Andrew Saffir and Daniel Benedict, Lisa Dennison, Terence Koh, Vito Schnabel, Noemi Lenoire, Harry Belafonte, Mary Alice Stephenson, Jennifer Creel, Natasha Richardson, Stanley Tucci, Taylor Momsen, Maggie Rizer, Doutzen Kroes, Robert Verdi, Mario Cantone, Eliza Dushku, Kipton Cronkite, Derek Blasberg, and Howard and Cindy Rachofsky. [PMc, Wireimage, WWD, NYO]

GQ held its second annual "Best New Menswear Designer in America" competition last night in conjunction witht he CFDA. Finalists like Andre "3000" Benjamin, David Mullen, Alex Carleton, Robert Geller, Sam Shipley, Jeff Halmos, and Yigal Azrouel were joined by guests like Tommy Hilfiger, Fern Mallis (left), Thom Browne, Jim Nelson, Kelly Cutrone, Phillip Lim, Derek Lam, Peter Som, Rory Tahari, Chase Crawford, Steven Kolb, Ally Hilfiger, Fonzworth Bentley, David Chu, Ryan Leslie, David Lauren, Katie Lee Joel, Glenn O'Brien, Steven Alan, Calvin Klein mens creative director Italo Zucchelli, GQ publisher Peter Hunsinger, and last year's winner, Daiki Suzuki. [PMc, NYO, FWD]

The Villency Emerging Fashion Program hosted a dinner at Bobo on Wednesday night to honor Elise Overland and threeASFOUR designers Adi, Ange and Gabi. Eric Villency and wife Kimberly Guilfoyle welcomed a collection of fashion and social fixtures, including Zani Gugelmann (left), Byrdie Bell, Daniel Benedict and Andrew Saffir, Ann Dexter-Jones, Richard Johnson, Hope Atherton, Kate Schelter, Maggie Betts, Horacio Silva, Jessica Joffe, Glenn O'Brien, Ferebee Bishop, Gigi Stone, Tom Sachs, Serena Merriman, Poppy de Villeneuve, and Stephanie LaCava. [PMc, FWD, VF, GoaG]

Adrian Grenier and Jessica Stam hosted Scott Harrison's third annual Charity: Water benefit last night at the Metropolitan Pavillion. Attendees at the event included Richie Rich, Olivia Palermo, Whitney Port, Byrdie Bell, Andrew Saffir and Daniel Benedict, Rocco DiSpirito, Jenna Elfman, Emma Snowdon-Jones, Jamison Ernest, Cee-Lo, and models Larissa Bond and Masha Rudenko. [PMc, Wireimage, GoaG]

A crowd of nearly 400 made their annual trip to the Bronx last Friday night for the New York Botanical Garden's 10th annual Winter Wonderland Ball. The black-and-white dinner, sponsored by Chanel, featured appearances by the likes of Cristina and Chris Cuomo, Nina Garcia, Marjorie Gubelmann, Byrdie Bell, Poppy Delevingne, Minnie Mortimer Gaghan, Steve and Christine Schwarzman, Dalia Oberlander, Gillian Hearst Simonds, Alex Kramer, Alexandra Lebenthal, Molly Sims, Holly Dunlap, Erin Fetherston, Margherita Missoni, Zani Gugelmann, Coco Rocha, Gillian and Sylvester Miniter, Bronson Van Wyck, Patrick McDonald, Stephen Knoll, Jessica Joffe, Jill Kargman, Lauren Remington Platt, Coralie Charriol Paul, Joe and Nazee Moinian, Kate Schelter, James and Whitney Fairchild, Lydia Fenet, Maggie Betts, Meredith Melling Burke, and Pamela Fiori. [PMc, Style.com, NYSD, The Daily]