The soon-to-be Super Bowl headliner, along with Rauw Alejandro and Karol G, are re-energizing the genre for a brand new generation.

I have been to just about every dance movie ever made, from "Singin' in the Rain" to "Strictly Ballroom," and so of course I will go see the new "Dirty Dancing" sequel, "Havana Nights." But this time, ...