Audio problem: When the twins are practicing in the house pool, one of them farts and you can hear her say "whoopsie" but her mouth doesn't move.

Audio problem: When Hilary Duff is Text Messaging her "Secret Admirer" the sounds of her pushing the phone's buttons don't match up with her fingers pushing the buttons.

Factual error: Toward the end of the movie just as Austin and his team start the football game, the camera shows the scoreboard counting down from 15:00 minutes, the problem with this is high school football games are played in 12:00 minute quarters not 15:00.

Continuity: When Rhonda tells Fiona that she is going to find a place to put her six dollar pedicure, she puts her hand on the counter. In the next shot (from the back), her hand is down by her side.