Alana Haim to star in Paul Thomas Anderson's new film.

Alana Haim will reunite with Paul Thomas Anderson to star in his upcoming untitled feature film. The film also stars Leonardo Dicaprio, Teyana Taylor, Sean Penn, and Regina Hall. The plot of the film is being kept under wraps along with any sign of a release date. 

Take a sneak peek at some behind-the-scenes footage of Alana on set...