Kristen Stewart Sports Bright Red Hair on 'American Ultra' Set

Kristen Stewart is all smiles as she rocks fiery red hair while walking on set of her upcoming film American Ultra on Tuesday (April 15) in New Orleans, La.

The 23-year-old actress shot some scenes inside a car that day.

PHOTOS: Check out the latest pics of Kristen Stewart

American Ultra is about a stoner and his girlfriend’s sleepy, small-town existence, which is disrupted when his past comes back to haunt him in the form of a government operation set to wipe him out.

It also stars her former Adventureland co-star Jesse Eisenberg and will hit theaters next year.

10+ pics inside of Kristen Stewart on set…