Jessica Chastain attended the 56th Annual CMA Awards

which was held at the Bridgestone Arena in Nashville on Wednesday evening.

The 45-year-old performer cut a fashionable figure on the red carpet

the star-studded event,

during which she was accompanied by Michael Shannon.

The actor and the actress are currently set to star in the upcoming country music-centric bioseries, George & Tammy.

Chastain wore a sparkling black-and-blue dress that

that showed off her toned arms during the awards ceremony.

Her voluminous red hair remained free-flowing and cascaded onto her back as she posed for a set of photos.

Shannon, 48, kept it classy in a black jacket and matching pants

which were both contrasted with a stark white shirt.