According to Screen Rant, the actress best known for portraying Barb in season 1 of Stranger Things is back. The official trailer for Sierra Burgess Is A Loser starring Shannon Purser has arrived and critics are already fans of the redhead's awkward lovability. The story is loosely based on Edmond Rostand's play Cyrano de Bergerac. Sierra Burgess Is A Loser was written by Lindsey Beer, with Ian Samuels directing. Sierra Burgess Is A Loser premieres September 7th on Netflix.