Continuity: Towards the end of the movie during the play: Kelly goes backstage during intermission, and her hairstyle and color has changed. According to the DVD, it was a pick-up scene and she had already started filming Spider-Man. That's why her hair was now red.

Continuity: In the scene where it shows Ben Foster's character's mom and dad demonstrating something for their show, she at first has a sparkly type shirt on, then afterwards she has a green button down shirt on.