Beaudoin played Sabrina's best friend Marnie in the Sabrina the Teenage Witch movie, and Sabrina's best friend Jenny Kelley in the first season of the series. Second to Melissa Joan Hart, Beaudoin was the only other original cast member from the film that went on to the Sabrina the Teenage Witch television series. Beaudoin's character was removed from the series after only one season. In an interview Beaudoin revealed that it was due to the creators wanting Sabrina to have an ethnic friend.
Beaudoin also starred as Penny Foster in the Canadianteendrama series Madison, which earned her a 1994 Gemini Awards nomination for "Best Performance in a Children's or Youth Program or Series".