Continuity mistake: At the party Daryl takes a glass off the tray that Ivy is holding which leaves one, but in the next shot when Ivy walks away the tray is empty.
Continuity mistake: When Sylvia and Ivy are trying to win over the dog, Fred, Ivy's coat changes position many times between shots.
Continuity mistake: The blood on Sylvia's head changes during the end scenes of the movie.
Continuity mistake: In the opening scene when Sylvia is drawing Ivy's tattoo, here cigarette changes sizes from not very much to almost just lit between shots.
Continuity mistake: When Sylvia invited Ivy over to hang out, Ivy holds her school books under different arms between shots.
Continuity mistake: Right at the start of the film, a dog has been run over by a car. To put it out of its misery, Ivy kills it. As she does, a whole lot of blood splashes on to her face. However, in the next shot, the blood is no where to be seen.