Continuity mistake: When the group goes to the diner after their first class, When Bobby takes off her hair piece clip and puts it back on, at first it's smooth then when the shot changes, it's all messed up.
Continuity mistake: When Richard Gere is at the club with his son and his son's girlfriend, you can see they are already dancing. The camera cuts to them sitting at a table, and the son and girlfriend get up to just now dance when they have already shown it.