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Dressed in 7-inch neon heels and translucent yellow bell-bottoms, Mary Serritella was defying gravity and expectations on a recent Wednesday night at Hollywood’s Bourbon Room.

She held public office continuously since she was first elected to the San Francisco Board of Supervisors in 1969, the days of bell-bottoms and love beads.

Models at her show last year came down the runway in silk cargo pants, a baby-blue faux-fur skirt, flower-embroidered bell-bottoms and even deconstructed football jerseys with glittery stripes on their baggy sleeves.

But to screen “Schoolhouse Rock” as an adult is to visit a different period in cultural history, and not just because of the bell-bottoms.

“I’m going to miss her. ... I am scared right now, as I hang up my bell-bottoms and say goodbye to ‘Halloween.’