Later in the show, airing live on CBS, Urban sang the soulful "Blue Ain't Your Color" with a throwback, black-and-white vibe, while the back of the stage was smoky and bright blue.
When Urban wrote "The Fighter", he said he had Carrie in mind as a collaborator, and he had no other backup plan.
A few hours before the show on Sunday, Keith showed his daughters who made a sign just for him to support him during the awards. He went on to say he is extremely grateful that Carrie said yes to the collaboration and he didn't have to stress about it. He's also nominated for Male Vocalist of the Year, Album of the Year, Single Record of the Year, and Song of the Year, according to the Academy of Country Music.
In the latter category, he's up against Aldean, Bentley, Stapleton and Thomas Rhett.
Nominees for female vocalist of the year are Kacey Musgraves, Kelsea Ballerini, Lambert, Underwood and Maren Morris, who recently won a Grammy for her hit song, "My Church".
-Vocal Duo and New Vocal Duo or Group winners Brothers Osborne sang "It Ain't My Fault"; New Male Vocalist victor Jon Pardi sang "Dirt on My Boots".
Then, as quickly as the wind switched in Vegas, the Aussie country superstar began picking out the super recognizable opening of "The Fighter".