1 of 6
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.
2 of 6
He's chilling out, maxing, relaxing all cool! In the ultimate genre crossover, Owen worked in a Fresh Prince of Bel-Air rap during his performance of "Barefoot Blue Jean Night." Talk about a music mash-up!
3 of 6
This is his kinda party! Aldean may have smashed his guitar during Saturday's iHeart Radio Country fest, but off stage the singer showed a softer side.
4 of 6
FLORIDA GEORGIA LINE
They're ready to "Cruise"! After collaborating with Jason Aldean on stage for a special rendition of "The Only Way I Know," Brian Kelley and Tyler Hubbard looked more confident than ever.
5 of 6
They owned the night: Charles Kelley, Hillary Scott and Dave Haywood were a happy, harmonizing trio at Saturday's music fest.
6 of 6
"Play It Again," Luke! Closing the night by shaking his bon-bon for country fans, Bryan unwound backstage – and looked ready to "Drink a Beer."