Calvin Klein used a large-format New York billboard featuring Jeremy Allen White to extend its fashion campaign into a social out-of-home moment. The black-and-white creative dominated a city intersection and was documented by New York social accounts, encouraging fans and passersby to photograph and repost the display. The case study tracks amplification across LinkedIn, Threads, Instagram, TikTok, and X, showing how one high-impact placement moved from street-level visibility into broad digital conversation. The activation ran in New York City and was categorized as a billboard campaign. Social sharing surrounding the installation produced an estimated reach of 7.3 million, demonstrating the crossover value of celebrity-led outdoor creative, prominent urban placement, and organic audienc

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