Dakota Johnson, Julianne Moore, Lupita Nyong'o, Aaron Paul, Olivia Munn, Behati Prinsloo, and Busy Philipps posed together at the Polo Classic on May 31. Credit: Dimitrios Kambouris/Getty Images for Veuve Clicquot

A-Listers at the races! Hollywood's elite gathered at the Veuve Clicquot Polo Classic in Liberty State Park, N.J. on Saturday, May 31, and they all posed together at the fashion-forward event. 

Fifty Shades of Grey star Dakota Johnson, Julianne MooreOscar winner Lupita Nyong'o, Breaking Bad's Aaron Paul, Olivia Munn, Busy Philipps, and Victoria's Secret model Behati Prinsloo all posed together at the event. 

Johnson and Nyong'o each wore black and white checkered sundresses with shades and hats, and Munn and Philipps sported matching white sundresses.

The Newsroom star, 33, dished to Us Weekly about her secret skincare routine.

"A really good night's sleep," she said of keeping glowing, makeup-free skin. "It makes a big difference. And making sure you drink enough water and all that good stuff. And staying out of the sun!"