She is credited in the direct-to-video film Little Alvin and the Mini-Munks for assisting the cast and for being the eyes of Lalu's Toilet. Vanessa also is credited as an assistant in the CGI/live-action films Alvin and the Chipmunks, Alvin and the Chipmunks: The Squeakquel, and Alvin and the Chipmunks: The Road Chip. In a 2012 interview it's stated Vanessa helps to run the merchandising side of the franchise. In the CGI series ALVINNN!!! and The Chipmunks she is an Associate Producer and the voice of Eleanor Miller. She is also credited in multiple episodes as a writer.