Witherspoon was seen on the red carpet wearing a single-shoulder black sequined dress, and she sat with Kidman, who is married to country singer Keith Urban.
Kidman, 52, sported a sparkling maroon dress with orange and pink floral adornments and tassels
Reese Witherspoon and Nicole Kidman at the 2019 CMA Awards. (Photo by John Shearer/Getty Images for the Country Music Association)
The two were seen sitting side-by-side and even paused for a sweet embrace during the show.
Earlier in the evening, Witherspoon, 43, posted a picture of herself in her dress on Instagram.
"#CMA’s bound, y’all!! 💫 So excited to be a part of this magical night," she captioned the photo.
Oscar-winning actresses Kidman and Witherspoon starred together in HBO's "Big Little Lies."