If Taylor Swift and Beyonce are movie stars, what does that mean for actual film stars?

The Taylor Swift and Beyonce movies have garnered lots of pre-release attention. Photos: AP, Beyonce/Instagram

Two of the most talked about and most anticipated movies of the fall are concert films from Taylor Swift and Beyonce.

That's a good thing for both of the pop musicians' camps, and a weird thing for the movie industry and, you know, actual movie stars.