Jean Dujardin (who is 5'11" in real life) was digitally shrunk using green screens and forced perspective. While some viewers found the effects charming, others felt they were occasionally inconsistent.

The film follows Diane (Virginie Efira), a lawyer recently divorced and looking to reclaim her independence, who accidentally leaves her phone in a restaurant booth. The man who finds it, Alexandre (Jean Dujardin), engages her in a witty phone conversation, displaying a voice that is confident, charming, and undeniably attractive. When they arrange to meet, Diane is shocked to discover that Alexandre stands at roughly four feet tall due to a growth hormone deficiency. The narrative drive of the film is not whether they will fall in love, but whether Diane—and by extension, society—can overcome the superficial expectations of what a "perfect" couple looks like.

The film shines in its comedic deconstruction of ableism. It uses the romantic comedy framework to highlight the awkwardness people project onto the physically disabled. Scenes where Diane tries to "help" Alexandre, or where they navigate a restaurant designed for people of average height, are played for laughs, but they effectively underscore the lack of accessibility in both architecture and social norms. The film argues that the barrier to their happiness is not Alexandre’s body, but the world’s inability to normalize it.

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