Emma Roberts and Dianna Agron were just two of the celebs on the guestlist for a luxe dinner at East Hampton Historical Society’s Mulford Farm on Thursday evening (July 27).

Both actresses showed off their unique sense of style at the event, which was hosted by Net-a-Porter, Mr. Porter and Ralph Lauren.

Dianna looked chic in white, opting for a sheer, sleeveless knit top, which she paired with tan heels and a coordinating bag. Emma provided a pop of color in vibrant red, wearing a long skirt and cropped polo top. She finished off her look with a black bag.

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Dr. Barbara Sturm, Christopher Briney and girlfriend Isabal Machado, Derek Blasberg, Eve Jobs, Kate Love and Kevin Love, Lauren Bush Lauren, Nicole Warne, Rupert Friend and Aimee Mullins, Tamron Hall and Steven Greener, TINX, Victoria Lee were also in attendance. We’ve got photos of everyone in the gallery!

Did you see what Dianna had to say about a rumor regarding her love life?!

FYI: Everyone in attendance was wearing Ralph Lauren Collection, Purple Label and Polo Ralph Lauren.

Scroll through all of the photos from the event in the gallery…