Kaley Cuoco was 29 in Alvin and the Chipmunks: The Road Chip when she played the character 'Eleanor (voice)'.
That was over 8 years ago in 2015.
Today she is 38, and has starred in 37 movies in total, 10 of those since Alvin and the Chipmunks: The Road Chip was released.
In Alvin and the Chipmunks: The Road Chip, I think Kaley Cuoco looks: