Alvin Superstar 2

Alvin and the Chipmunks: The Squeakquel is a 2009 American musical comedy film directed by Betty Thomas and written by Jon Vitti, Jonathan Aibel and Glenn Berger. Based on Alvin and the Chipmunks by Ross Bagdasarian Sr., and the fictional girl group The Chipettes by Janice Karman, it is the second installment in the live-action Alvin and the Chipmunks film series, following Alvin and the Chipmunks (2007). The film stars Zachary Levi, Jason Lee, David Cross, Wendie Malick, Anjelah Johnson, Kevin G. Schmidt, Kathryn Joosten, Chris Warren Jr., Bridgit Mendler, Aimee Carrero, Brando Eaton, Alexandra Shipp, Jake Zyrus, Honor Society and Quest Crew, with Justin Long, Matthew Gray Gubler and Jesse McCartney reprise their roles from the first film as the Chipmunks with newcomers Christina Applegate, Amy Poehler, Anna Faris, Eric Bauza and Sean Astin joining the voice cast as the Chipettes, Digger and Meerkat Manor Narrator. The film sees the Chipmunks entering high school under the care of Dave Seville's cousin, Toby. Meanwhile, Ian Hawke recruits the Chipettes to restore his career.

Alvin and the Chipmunks: The Squeakquel was released in the United States on December 23, 2009 by 20th Century Fox, and grossed $443.5 million against its $70–75 million budget, despite receiving mixed to negative reviews from critics. The film was followed by two sequels, Chipwrecked in 2011, and The Road Chip in 2015.