Country Stars Kick Back at the iHeartRadio Festival

Nashville's stars can be serious, too! See Carrie Underwood, Luke Bryan and more singers' photo booth shots from the inaugural country fest

CARRIE UNDERWOOD

There's no doubt festival fans were "Blown Away" by the star, who sang a mix of old and new hits at the first-ever iHeartRadio Country Festival in Austin, Texas, on Saturday. Behind the scenes, Underwood stayed cool and calm under the camera's gaze in an exclusive photo booth.