Princess Diaries, The - Eating Soup Too Soon
In the scene of the big Genovian dinner, you see the green soup is in front of all the other dinner guests, with the exception of Mia. You see the guests eating the soup. Then, later in the scene, someone sets the soup down in front of them! I didn't catch this until my 5th time, but it's definently there.
The Princess Diaries on DVD or VHS