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1) One of many Fashion Week kick-off events was the Agyness Deyn-hosted, Thierry Mugler-sponsored bash last night at Christie's, where Chloë Sevigny, Henry Holland, Kelly Osbourne, Peaches Geldof, Yigal Azrouël, Kelly Cutrone, Paul Sevigny, Kate Schelter, Jennifer Creel, Holly Dunlap, Genevieve Jones, Jen Cohen, Dori Cooperman, Ellen Von Unwerth, Padma Lakshmi, and Mary Alice Stephenson previewed the auction house's fall sales of post-war and contemporary art, impressionist and modern art, and fashion. [The Daily, Wireimage, NYO]

2) Last night Interview celebrated their September issue (and new look) with a party at the still-under-construction Standard Hotel. Andre Balazs and his daughter Alessandra, Peter Brant and Stephanie Seymour, Glenn O'Brien, Fabien Baron and his daughter Arielle, Tommy Hilfiger, Donna Karan, Diane von Furstenberg, Patrick McMullan, Tory Burch, Julia Restoin Roitfeld and Magnus Berger, Kelly Killoren Bensimon, Mary Kate and Ashley Olsen, Tara Subkoff, Lydia Hearst, Lauren Hutton, Lara Stone, Jessica Stam, Hope Atherton, Gavin Brown, Genevieve Jones, Taylor Momsen, Lily Donaldson, Angela Lindvall, and Sam and Kathryn Shaffer ate Nobu sushi and dodged exposed wires and electrical tape. [The Daily/PMc]

3) Dazed and Confused's MGMT show on the MINI Cooper rooftop took place last night: Solange Knowles, Jessica Stam, Mary Kate Olsen, Julia Restoin Roitfeld and Magnus Berger, Jessica Szohr, Nicole Fiscella, Cassie, Derek Blasberg, and Monet Mazur all watched the band from a giant grassy knoll. [The Daily/PMc]

Tinsley Mortimer's acting debut on Gossip Girl was celebrated Monday night with a rooftop party thrown by Dior Beaute, for which Tinz is brand ambassador. She was joined by her husband Topper, and pals Fabiola Beracasa, Tara Subkoff, Genevieve Jones, Anisha Lakhani, Daniel Benedict and Andrew Saffir, Derek Blasberg, Dayssi Olarte de Kanavos, Jessica Stam, and Micah Jesse, as well as various GG cast members. [Park Avenue Peerage/PMC]

On Wednesday evening, Simon Doonan hosted the FIT Couture Council's honoring of Isabel Toledo at the Rainbow Room, where fashion luminaries and fans like Isabel's husband Ruben, Helmut Lang, Stephen Gan, Sally Singer, Hamish Bowles, Jeffrey Kalinsky, Jonathan Newhouse, Howard Socol, Ingrid Sischy, Kim Hastreiter, Valerie Steele, Gillian Miniter, Fabiola Beracasa, Joyce Brown, Lisa Airan, Narciso Rodriguez, Linda Fargo, André Leon Talley, Vanessa Carlton, and Glenda Bailey listened to speeches and watched a slide show of the Cuban-American designer's greatest hits. [The Daily]

The Bowery Hotel was the venue on Wednesday for Vogue.TV and IMG's party for their new reality show Models.Live. Attendees included Jacquetta Wheeler, Kirsty Hume, Kate Schelter, Zani Gugelmann, Elettra Rossellini Wiedemann, and Olivia Palermo as well as Ugly Betty's Becki Newton, Tom Florio, Sam Shaffer, Rachel Roy, Serena Bass, Mickey Boardman, Fern Mallis, Philip Bloch, and Robert Verdi. [FabSugar/Paper/PMc]

Naomi Watts' brother Ben had his first solo photography exhibition, sponsored by MAC, at Milk Studios on Tuesday: The siblings were joined by their mom, Miv, as well as Cornelia Guest and MAC's John Dempsey, Derek Blasberg, Angela Lindvall, David Schwimmer, Damon Dash, May Anderson, Sean Avery, Joshua Jackson, and Kelly Klein. [The Daily/PMc]

Entourage had its season 5 premiere at the Ziegfeld on Wednesday: The cast were joined by Mark Wahlberg, Russell Simmons, Leighton Meester, Jamie Lynn Sigler, Monique Lhuillier, Real Housewives Jill Zarin and Bethany Frankel, Monica Seles, Natasha Lyonne, and Bow Wow. [WireImage/PMc]