Andrew Saffir's Cinema Society hosted a screening of The Mysteries of Pittsburgh last night at the Landmark Sunshine Theater. Guests at the screening included the film's stars Sienna Miller and Peter Sarsgaard (left), along with Maggie Gyllenhaal, Anna Wintour, Russell Simmons and Julie Henderson, Gilles Bensimon, Rachel Roy, Amy Sacco, Rachel Zoe, Beth Ostrosky, Olivia Palermo and Johannes Huebl, Jessica Joffe, Zoe Kravitz, Stefano Tonchi, Marina Rust Connor, Jennifer Creel, Richard Johnson and Sessa von Richchofen, Carlos Souza, Marcus Schenkenberg, Rosanna Scotto, Emma Roberts, Brittny Gastineau, Irina Pantaeva, Kiera Chaplin, Lisa Anastos, Jackie Astier, Kim Heirston, Nur Khan, Gilles Mendel, Bobby Kennedy III, Kelly Killoren Bensimon, Chris Diamantopoulos, and Olympic fencers Tim Morehouse and Jason Rogers. [PMc, Wireimage, VF, Paper, FWD]

Andrew Saffir's Cinema Society hosted a screening of He's Just Not That Into You at the Tribeca Grand on Wednesday night. Guests at the screening and after-party, hosted by Stardoll and Philosophy di Alberta Ferretti, included Lindsay Price (left), Olivia Palermo and Johannes Huebl, Michael Kors, Amy Sacco, Anne Hearst and Jay McInerney, Rachel Roy, America Ferrera, Helena Christensen, Eva Amurri, Mamie Gummer, Cuba Gooding Jr., Maggie Rizer, Annelise Peterson, Zoe Kravitz, Lisa Bonet, Lorenzo Martone, Marina Rust Connor, Chris Benz, Christian Siriano, Reed Krakoff, Dori Cooperman, Taylor Momsen, Carson Kressley, Poppy Delevigne, Jane Seymour, Genevieve Jones, Patricia Clarkson, Shoshanna Lonstein Gruss, Irina Pantaeva, Dylan Lauren, Jeff Gordon, Kiera Chaplin, Liam McMullan, Derek Blasberg, and one of the stars of the film, Ginnifer Goodwin. [PMc, Wireimage, VF, Style.com, NYO, FWD]

Vito Schnabel (son of Julian) and Olivier Sarkozy (half-brother of Nicolas) hosted Terence Koh's "Flowers for Baudelaire" exhibition on Wednesday night at Richard Avedon's former studio, where the unusual art was admired by the likes of Anna Wintour, Simon de Pury, Jeffrey Deitch, Allison Sarofim, Stella Schnabel, Olmo Schnabel, Lola Schnabel, Jacqueline Schnabel, Zac Posen, Ann Dexter-Jones, Nadine Johnson, Theodora Richards, Alexandra Richards, Byrdie Bell, Benjamin Cho, Cynthia Rowley, Salman Rushie, Lyor Cohen, Todd Eberle, Derek Blasberg, Genevieve Jones, Yvonne Force Villareal, Drena De Niro, Lisa Anastos, and Gilles Bensimon. [PMc, NYM, GoaG]

Marina Rust Connor