Continuity: When Danny & Debbie are having their New Year's dinner at home, the champagne foam instantly disappears in the very next camera angle after pouring it.

Continuity: New Year's Eve dinner scene, Rob Lowe's salad plate has one tomato slice on it. The next shot has the tomato slice gone from the plate, and in the next shot, the tomato is back on the plate.

Continuity: At dinner on New Years Eve, the fork in Demi's hand is loaded with food. In the next shot, the food disappears, and then the fork altogether.

Continuity: At the bar on St.Patrick's Day, Rob Lowe comes in and his hair, face, and coat are soaking wet. When he follows Demi outside, before he goes back out into the rain again, he's completely dry.