Mary Grace Natividad Sonora Poe-Llamanzares is a Filipino politician who served as a senator of the Philippines from 2013 to 2025. An independent, she previously served as chairperson of the Movie and Television Review and Classification Board (MTRCB) from 2010 to 2012. During her time in the Senate, she chaired several committees, including the Committees on Public Services, Economic Affairs, Public Information and Mass Media, and Public Order and Dangerous Drugs. She promoted legislation on education, child welfare, consumer protection, transportation, public services, and freedom of information, and advocated greater transparency and accountability in government.