No longer a toiling chorus girl, Ivy (Robyn Hurder) has been transformed into a Broadway legend (and aged up a bit). Karen (Caroline Bowman) is now a cupcake-baking, non-competitive understudy.

Two hours and 30 minutes, with one intermission. At the Imperial Theatre, 249 West 45th Street. “Let’s Be Bad” is a song from the Broadway musical “Smash.” It is also the production’s motto. The total ...