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Stepto was among the cast of "Degrassi" that were named UNICEF Goodwill Ambassadors by the Ontario branch of UNICEF Canada in 1989. Along with cast member Pat Mastroianni, Stepto visited the Headquarters of the United Nations in New York City, and met with other ambassadors. She served as the narrator for the UNICEF video "The Degrassi Kids Rap On Rights". In September 1992, she was hired as a spokesperson for Planned Parenthood in Alberta.