Frankie has pale-white skin and red hair that she generally ties into a spiky ponytail. According to her driver’s license, her eyes are green. She wears a white crop top exposing her midriff, with red trim on the collar and sleeve ends as well as minimalistic Powerpuff Girls symbols on the front depicting Bubbles, Blossom and Buttercup, a long-sleeved hooded green jacket, a dark purple miniskirt, golden orange socks and blue and white trainers. She also wears a purple hair clip, a thin black choker around her neck and has multiple piercings in her ears.