A poster girl is an attractive woman or model who is used to promote a particular product or idea. Some synonyms for poster girl include pin-up girl, cover girl, spokesperson, brand ambassador, model, beauty queen, and influencer. In today's digital age, the role of the poster girl has evolved to include social media influencers who promote products through their online presence. Other synonyms for poster girl may depend on the context in which the term is being used, such as celebrity endorser, spokeswoman, or advocate. Regardless of the term used, the poster girl remains a powerful marketing tool that captures the attention of consumers and attracts them to a product or brand.