Other mistake: Kendra slaps the right side of Donna's face to stop her from freaking out. Donna then rubs the left side of the her face. (00:14:05)
Other mistake: At the start of the scene where Mallory says she is going to the premiere with Burt Reynolds, there is an establishing shot of the building. Just over a minute later, the same shot is repeated a second time, as shown by the fact that the cars driving by the building and the cars parked in front of the building are exactly the same. (00:06:30 - 00:08:00)