You open Xiaohongshu and see prom dress posts with 50,000 likes. The girl in the photo wears a lavender tulle gown with a lace-up back. She stands in a hotel hallway, holding a bouquet. The caption reads: “Class of 2026, I found my dress for $180.” You scroll deeper. Another post shows a satin slip dress in champagne, paired with pearl earrings and strappy heels. Different dress. Different body type. Different budget. Both claim to be “the perfect prom dress.” Both have thousands of saved pins. Which one is right for you? I analyzed over 500 Xiaohongshu posts tagged with…