Over the weekend in the Hamptons, Christie Brinkley and Dylan Lauren stepped out for the screening of "The Way, Way Back" with directors Nat Faxon and Jim Rash and cast members Liam James and Toni Collette, Hugh Jackman, Ivanka Trump, and Calvin Klein celebrated Elle Decor's July/August Issue at interior designer Kelly Behun's private estate in Southampton, Rose Byrne joined Jenne Lombardo at the Free Arts NYC charity auction, and so much more. Click through the slides to see what you missed!