The Chipettes
In this and related materials, the Chipettes served as female featured characters in their own right, starring in numerous episodes.On this album, Alvin sings a duet with a female character billed as Charlene the Chipette.Charlene was depicted on the album cover as having a long, golden blonde ponytail, and seems to have been the basis for the later character of Brittany.In the film, Christina Applegate, Anna Faris, and Amy Poehler voices the Chipettes."[7] Christina Applegate, Anna Faris, and Amy Poehler reprised their roles from the previous film, Alvin and the Chipmunks: Chipwrecked, which was released on December 16, 2011.