• CARRIE UNDERWOOD photo | Carrie Underwood

Credit: Chris Owyoung for iHeartRadio

Published: Monday March 31, 2014 16:00 PM EDT

2014

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.