ACM Awards 2017: Take a look at the fashion! 6. Maren Morris The "New Female Vocalist of the Year" garnered much attention in this high-slit number. The Michael Costello dress was the favorite color of the night! Never worn anything one of a kind. Thank you @michaelcostello for this gorgeous dress! A post shared by Maren Morris (@marenmorris) on Apr 2, 2017 at 6:13pm PDT WordPress › Error There has been a critical error on your website.Learn more about debugging in WordPress.