A small Black boy is going viral on TikTok for being the “most beautiful in the world.” So beautiful in fact, that many people think he’s not even real, but a product of AI generation.

Halfway through “Beautiful Boy,” there is a scene where Nic Sheff (Timothée Chalamet), a recovering methamphetamine addict, is sitting on an old couch next to his mother (Amy Ryan). Nic is in rehab, ...