A museum is a fitting venue to celebrate things that last. At the Museum of Arts and Design on Saturday, Lanvin hosted a screening of Ingmar Bergman’s 1966 film “Persona,” along with the film’s lead, Liv Ullmann, and her friend and past collaborator Cate Blanchett. The screening was followed by a reception at Marea. Addressing the rows of attendees — which included Marina Abramović, Hari Nef, Jordan Roth and newly anointed Lanvin artistic director Peter Copping, among others — Blanchett acknowledged the film’s continued impact on cinema. “So much has been said about this film. It’s been analyzed and re-analyzed,” she said, then recounting when she first met Ullmann her first year at Cannes before collaborating on a production of “A Streetcar Named Desire.” “Liv has this incredible, radical openness that speaks to this profound and deep, indefatigably curious life that is lived with engagement and complexity,” Blanchett said. “You see it so often in your performances, Liv.” The...