Getty Images/Eugene Gologursky
Hamptons magazine celebrated Tracy Anderson and Gwyneth Paltrow at a sprawling Southampton estate.
Oh, and a DJ set by Vice President Joe Biden's nephew, Jamie Biden. Can't forget that.
The 2015 summer season got off to a roaring start as scenesters like Mia Moretti and Jessica Hart congregated in Montauk while lifestyle gurus and old money RSVP'd to quieter affairs in Southampton and Sag Harbor.