Continuity mistake: In the scene when Tina Turner is running away from Ike she has to cross a freeway. If you look closely you will see that she has on high heels then she has on sneakers as she is running across the freeway.
Continuity mistake: When Wayne and Garth are at the radio station, Wayne is talking to Drew Barrymore. As the camera cuts from behind her to in front of her, her arms switch positions. (01:02:00)
Continuity mistake: When the kids first react to Delores scraping her nails on the blackboard, a girl near the front of the class, (later revealed as 'Maria') wearing sunglasses, is in the process of sitting in a chair. When Delores then asks them to put the desks back, she is now sitting on top of a different desk further to the right, is now holding a magazine and no longer wearing sunglasses. The short time elapsed makes it impossible for her to have moved.
Continuity mistake: After Miranda sings for the hotel manager, her guitar case closes and zips itself in a split-second.