Celebs Rock Out at the CMA Music Festival

Carrie Underwood! Blake Shelton! See Nashville's biggest names partying with fans and getting down on stage

LI'L RASCALS

Rascal Flatts – Joe Don Rooney, Gary LeVox and Jay DeMarcus – come in close for some harmonizing Saturday. "Man it's gonna be off the hook tonight for us," Rooney Tweeted.