The teaser trailer for the upcoming Alvin and the Chipmunks: The Squeakuel has appeared online at Worstpreviews. Details on the plot are still unknown, the new movie will introduce the Chipmunks’ female counterparts, the Chipettes. Christina Applegate and Anna Faris are rumored to voice two of the chipettes. “Squeakuel” arrives at theaters Christmas day, December 25th, 2009. Thanks to “gaastra” over at the Animated News & Views for the heads up!