The country singer looked stunning in a bejeweled Elie Madi gown with gold and silver accents. The sheer diamond bodice, intricate patterns and major bling made Underwood sparkle.
She completed her look with a smokey eye, nude lip and gorgeous hair, as per usual.
Underwood will perform the fourth single off her album "Storyteller," called "Church Bells," at the award show.
The "American Idol" alum is also up for Female Vocalist of the Year, alongside Miranda Lambert, Kelsea Ballerini, Jana Kramer and Kacey Musgraves.