LOS ANGELES, CA  [Friday Dec.10.2004]  /RedBoxCode.com/ -- This Saturday, December 11, Avril Lavigne guest stars on the comedy show, Mad TV. Along with giving a special acoustic performance, Lavigne will take part in one of the program's sketches. This episode of Mad TV also stars fellow Canadian and actor Ryan Reynolds from "Blade: Trinity." Reynolds is engaged to another famous Canadian singer-songwriter: Alanis Morissette.

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