That was over 14 years ago in 2007.
Today she is 61, and has starred in 67 movies in total, 46 since Alvin and the Chipmunks was released.
In Alvin and the Chipmunks, I think Jane Lynch looks:
Alvin and the Chipmunks scores 5.5 out of 10 on The Movie Database.
Jane Lynch's first acting role was as 'Gwen Hatcher' in In the Best Interest of the Children, released in 1992 when she was 31.
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