Continuity: When Sophie and Alex are in the cafe the camera shows Alex from behind Sophie, and Sophie picks up a drink in the very next shot she has put it down. This happens throughout the scene in the cafe with her hands.

Continuity: When Sophie is in the lady's room and Alex has her change her clothes so she can confront her ex-boyfriend in style, her hair changes dramatically from shot to shot, from being smooth and fairly neat to being frizzed out and messy, and then smoother again. At no time does she actually brush or comb it.

Continuity: When Alex is in the cafe talking to Sophie. The amount of muffin he has taken changes throughout.

Factual error: When Sophie is babysitting her sister's kids, they show her playing a dance game. In one shot of the TV, you can see there is no arrows going up but she is still dancing.

Factual error: In the Pop Goes My Heart video, the keyboard is a Roland D-50. At the start of the video it's said that it was from 1984. The D-50 wasn't released until 1987 to compete with the Yamaha DX7.

Continuity: When Alex and Sophie are recording the demo the computer is not recording.

Continuity: When Alex and Sophie are in the coffee shop Sophie picks up her drink and slides her muffin to the right side of her glass. The next shots showing the scene from her left side show the muffin is back on the left side of her glass.

Continuity: At work, when Sophie is explaining to Alex that she can't write a song, her arms change position between shots.

Continuity: When Brad Garrett goes to Hugh Grant's apartment, he sets down a Diet Coke so that the camera can see it perfectly. In the next scene, the can is turned but Brad never picked it up to drink from it and place it back down.

Continuity: When Alex is preforming at the amusement park there is a shot from behind Sophie putting her sunglasses up and bringing her hand down. The camera then switches to the front of Sophie and she brings her hand down again.

Continuity: When Alex is having dinner at Sophie's sister's place, the potato he is given vanishes and reappears constantly.

Continuity: In the scene in the coffee shop, when they show the shot over his shoulder, Hugh Grant's muffin starts off just sitting on the table, then it's shown sitting on a plate off and on for the rest of the scene.

Continuity: When Sophie and Alex are in the coffee shop, there is a shot of Alex (over his shoulder) and he has his hand around his coffee cup. In the next shot (facing Alex) he is not holding his cup, but then he picks it up. In the next shot (again, over his shoulder) he is not holding the cup. And in the next shot (facing him), he is holding it again.

Continuity: In the morning after Alex and Suzie sleep together, Suzie is holding a blanket around her and talking to Alex. The position of the blanket changes between shots throughout the entire scene.

Continuity: When Alex and Sophie are in the CD shop the way she holds the CD changes throughout the scene.

Continuity: When Alex and Sophie are celebrating after Cora liked the song. In one shot Sophie is being hugged. In the next shot she is standing perfectly still on her own.

Continuity: While Susie is standing beneath the helicopter, her hair blowing in the wind constantly changes between shots. Sometimes it's covering her face, sometimes it's blowing over her head, etc.

Continuity: In the scene where Alex is singing the duet with Cora, there are numerous occasions where the positions of Alex's hands don't match from shot to shot. For instance, in one shot he'll have both hands on the microphone, then in the next it's only one, then back again in the next.