WATCH: The Official 'Cats' Movie Trailer

Our first look into the Jellicle Ball is here!

Cats will hit theaters on December 20 with a cast that includes Jennifer Hudson as Grizabella, Taylor Swift as Bombalurina, Judi Dench as Old Deuteronomy, Jason Derulo as Rum Tum Tugger, Idris Elba as Macavity, Rebel Wilson as Jennyanydots, and recent Tony Awards host James Corden as Bustopher Jones.

Watch the trailer above!