In the 2007 CGI / live - action film adaptation and its 2009 sequel, they were voiced in dialogue by Justin Long, Matthew Gray Gubler and Jesse McCartney. Bagdasarian Jr. and Karman continue to perform the singing voices for Alvin, Theodore and the Chipettes, but Steve Vining does Simon 's singing voice. The project has earned five Grammy awards, an American Music Award, a Golden Reel Award, and three Kids ' Choice Awards, and has been nominated for three Emmy awards.
who plays the chipmunks in alvin and the chipmunks
Justin Long Jesse McCartney