Continuity mistake: When Inez is singing in "Run and tell that", Link's arms are going from being crossed to hanging down between the shots.
Continuity mistake: When Tracy stops to sing at the music store, the lights are on and people are inside. In the next shot, when Tracy runs across the street, the store is dark.
Answer: Yes, that is Ricki Lake, the original Tracy Turnblad, in a cameo appearance!
Movie_Freak 1