what was alison arngrim secret she hid?
Politics are politics, says Alison Arngrim. We had quite a fight on our hands.. For most of her life, âLittle House on the Prairieâ star Alison Arngrim hid a painful secret: Sheâd been sexually abused by a family member during her childhood, before landing the role of TV villain Nellie Oleson on the â70s series.