Cara Delevingne & Samantha Barks Are the Epitome of Classy Chic at Serpentine Gallery Party!

Cara Delevingne keeps it classy and chic in a black dress at the 2014 Serpentine Galley Summer Party at The Serpentine Gallery on Tuesday (July 1) in London, England

The 21-year-old English supermodel was joined by Samantha Barks, Lily Allen, Naomi Campbell, Gemma Arterton, and Alexa Chung.

PHOTOS: Check out the latest pics of Cara Delevingne

In case you missed it, check out Cara looking gorgeous for her new Mulberry Autumn/Winter 2014 campaign.

“Thank you so much for my lovely make up @Lisa_Benefit :) excited for tonight #serpentinesummerparty,” Samantha tweeted earlier in the day.

20+ pictures inside of Cara Delevingne and Samantha Barks at the Serpentine Gallery Party…