The 22-year-old actress, who cheated on boyfriend Robert Pattinson with "Snow White and The Huntsman" director Rupert Sanders, said that her performance in a movie depends a lot on her relationship with its director, reported Sun online.
"I rely really heavily on the director/actor relationship. If you don't have a good relationship with an actor you rely on the director. If you don't have a good relationship with a director, you rely on your actor," Stewart said.
"I try not to fixate on it because if one little thing is wrong I am like, 'Leeeeeave the set!' But that will ruin everything," she added.
The "Twilight" star has reportedly reconciled with Pattinson since news of her momentary indiscretion with the married 41-year-old director broke, and is keen to make up for her mistakes.
