You know what people do not want to be photographed doing right now? Taking in a polo match while they sip on expensive champagne. Veuve Cliquot is sponsoring the second annual Manhattan Polo Classic this Saturday on Governors Island. The problem?

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]

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]

The Savannah College of Art and Design held its Style Etoile Awards at the James Cohan Gallery on Monday night. The evening's honorees included Russell Simmons, Amanda Burden, Cornelia Guest, Robin Givhan, and William Ivey Long (left), and attendees at the event included Cynthia Rowley, Agnes Gund, Michael Fink, Yigal Azrouël, Mario Buatta, Bobby Zarem, music exec Michael Mauldin and his wife Judy, producer Tom Fontana, SCAD president Paula Wallace, Ann Slater, designer Lars Nilsson, and Russell's brother and girlfriend—Danny Simmons and Julie Henderson. [PMc, Wireimage, WWD, NYSD]

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]

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]

• Both Katie Holmes and Nicole Kidman have active cases of herpes, reports Page Six, something you should probably keep in mind in the event either woman tries to plant a kiss on you. [P6]
• William H. Macy will take over for Jeremy Piven in Speed-the-Plow now that the Pivster has overdosed on sushi and will need to take time off to cleanse his sacred temple from mercury. [NYP]
• Marci Klein, SNL producer and daughter of Calvin, is calling it quits with her husband of eight years, Scott Murphy. [P6]

Cornelia Guest