Early winners: Before the ceremony, Little Big Town were presented with the Best Country Duo/Group Performance for Girl Crush. (L-R) Philip Sweet, Karen Fairchild, Jimi Westbrook and Kimberly Schlapman

The lady in grey: Keltie Knight chose a stylish gown with a plunging neckline and a train

Cute in a LBD: Singing legend Lee Ann Womack, 49, showed off her toned legs in a black dress that had swirls and sheer panels