"Hot N Cold" is a high-energy cover of the 2008 hit by Katy Perry. It serves as one of the standout tracks on the Alvin and the Chipmunks: The Squeakquel Original Motion Picture Soundtrack.
In the film, the song marks a pivotal moment for the Chipettes' introduction to the music industry.
The characters were voiced by Christina Applegate (Brittany), Anna Faris (Jeanette), and Amy Poehler (Eleanor).
The Chipettes were first created in 1982 by Janice Karman .