Jessica Chastain, 47, Rocks A Backless Crystal Halter Top At The Ralph Lauren Fashion Show

Jessica Chastain Glows In A Flirty Silver Crystal Halter Top And Chic Wide-Leg Trousers

As for her glam, the Good Nurse alum wore her signature fiery red tresses down, parted in the center and styled into elegant, loose waves. Chastain sported black liner, silver eyeshadow, voluminous lashes, rosy blush and a glossy pink lip color to top it all off.

Chastain attended the luxury fashion company's event to catch the brand's new designs along with fellow A-listers like Kerry Washington, Glenn Close, Jodie Turner-Smith and more.

The Scenes from a Marriage star shared more photos of her outfit and clips from the show in an Instagram post for her 5.4 million followers on May 1st.

"Sorry for the late post, I’ve been busy changing my entire wardrobe to western, thank you @ralphlauren #RLFH24," Chastain captioned her upload. She gave fans a better look at her blingy ensemble, and the fashion label's Western-inspired theme.

Fans headed to Chastain's post comments section to share their thoughts. "You looked absolutely beautiful! obsessed with you and the look," one fan wrote regarding her get-up as another added: "So in love with this whole look." Someone else replied: "ARE YOU SERIOUS!? OMG JESSICA! You are breathtaking girl!!!"

We couldn't agree more!