Please note this is a region B Blu-ray & will require a region B or region free Blu-ray player in order to play Sequel to the live-action CGI-animated story of the world-famous singing pre-teen chipmunk trio When Alvin (voice of Justin Long) Simon (Matthew Gray Gubler) & Theodore (Jesse Mc Cartney) are forced to put aside their music superstardom & go back to school they are given the challenge of saving the school&s music department by winning the 25000 prize in a battle of the bands But the Chipmunks unexpectedly meet their match in three singing female chipmunks known as The Chipettes Brittany (Anna Faris) Eleanor (Amy Poehler) & Jeanette (Christina Applegate) Romantic & musical sparks fly in the face off that ensues between The Chipmunks & The Chipettes