Get ready to party like a flapper. 

Margot Robbie and Brad Pitt are doing just that in the first trailer for Paramount's Babylon, out Dec. 25.

The new trailer, released Sept. 13, is taking us back to 1920s Hollywood with the Barbie star, who will play an aspiring actress and free spirit Nellie LaRoy. The teaser opens with her asking, "If you could go anywhere in the whole world, where would you go?"