The socialites threw a birthday part for their pal Erica Pelosini.
With Taylor Swift and her girl gang.
Kelly Slater hosts a beach bonfire in Malibu.
Ariana Rockefeller hosts a celebration of The Hampton Classic.
In case you missed them, here are all the best parties of the week.
DJ Mia Moretti celebrates the brand’s Fall 2015 collection in a head-to-toe floral look.
Birchbox and Jamie Schneider host a stylish summer event in Los Angeles.
Dr. Martens celebrates its new collection and ‘80s movers and shakers.
The NBA star and wine connoisseur hosts a dinner at Vaucluse.
The art crowd went to Montauk to celebrate the artist’s new exhibition at the Surf Lodge.
Kith opens a Brooklyn store, complete with treats.
And celebrates with Kendall, Kylie, Kourtney, Kim and Kanye.
The writer and reality star celebrates her The Hamptons Classic Horse Show.
The German model hosts a charitable dinner in Mykonos.
The actress and cookbook author hosts a charitable event in Los Angeles.