Tavi Gevinson isn't just a style icon and a wise-beyond-her-years feminist; she can sing and act, too. The young multitasker stars in the 2-D animated short "Cadaver," alongside Christopher Lloyd and Kathy Bates. After months of waiting, we're thrilled to present the premiere of the highly anticipated film.

"Cadaver" tells the story of a dead older man who comes back to life to bid his wife a final farewell. According to director and writer Jonah Ansell, the film "began as a short, whimsical poem that I wrote to my kid sister the day she cut open her first dead body as a med student at Chicago’s Northwestern University." Gevinson scored the role of the med student because, as she told The Huffington Post, "We're like real-life friends because our families go to the same temple and have had like, Rosh Hashana together."

The seven minute film also features Gevinson's...