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

LITTLE BIG FAREWELL

Jimi Westbrook, Kimberly Schlapman, Karen Fairchild and Phillip Sweet of Little Big Town – who welcomed summer 2012 with their new song "Pontoon" – take a bow after wowing the audience with their upbeat hit "Boondocks."