Jessica Chastain, Bill Skarsgard & 'It: Chapter Two' Cast Celebrate Premiere!

Jessica Chastain is gorgeous in emerald green while hitting the red carpet a the premiere of her anticipated film It: Chapter Two held at the Regency Village Theatre on Monday (August 26) in Westwood, Calif.

The Oscar-nominated actress was joined at the event by her co-stars Bill Skarsgård, Bill Hader, Jay Ryan, Isaiah Mustafa, James Ransone, Jess Weixler, Andy Bean, Teach Grant and Owen Teague, as well as writer Gary Dauberman and director Andres Muschietti.

PHOTOS: Check out the latest pics of Jessica Chastain

The film, which sees the return of Bill Skarsgard as Pennywise the Clown and the addition of new cast members including Jessica Chastain as grown up Beverly and Bill Hader as grown up Richie. Watch the trailer for the horror movie if you missed it.

Also in attendance to show their support were Isaiah‘s Shadowhunters co-stars Matt Daddario, Dominic Sherwood, Alisha Wainwright and Emeraude Toubia, as well as Cheyenne Jackson, Travis Barker, Dania Ramirez, Mena Suvari and Jeff Garlin.

FYI: Jessica is wearing a Zuhair Murad Couture gown. Jess is wearing a Self Portrait dress, Sophia Webster shoes, earrings and gold ear cuff by Hirotaka, red ear cuff by Adina’s Jewels, Le Vian ring, Graziela wrap ring, Eriness four finger ring and Zoe Chicco necklace. Bill is wearing an IWC Schaffhausen watch.