Hilary Duff reveals real reaction to Ashley Tisdale's 'toxic mom group' essay Hilary Duff has opened up on feeling "used" over after Ashley Tisdale's "toxic mom group" essay. 26 February 2026 Hilary Duff "felt used" after Ashley Tisdale's "toxic mom group" essay. Hilary Duff has opened up on 'toxic mom group' drama The 38-year-old actress and singer has broken her silence after the High School Musical star called out "mean-girl behaviour" in a piece for The Cut about cutting ties with her friends last year.