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 photo | Carrie Underwood

Credit: Chris Owyoung for iHeartRadio

Updated: Monday Mar 31, 2014 | 04:00 PM EDT By: Brooke Showell

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.