Ariana Rockefeller and Georgina Bloomberg.
Ariana Rockefeller and Georgina Bloomberg.

What: A dinner hosted by equestrian and heiress Ariana Rockefeller in honor of The Hampton Classic, the annual horse show.
When: Friday, August 28th.

Where: Topping Rose House in Bridgehampton.

Who: Rockefeller was joined by fellow socialites with famous last names, including a Bloomberg, a Cronkite, and a Nordstrom.

Why: The farm-to-table meal was appropriately held in the property's historic barn.