As the Rockettes turn 100 — they began in St. Louis, Missouri, in 1925 – current and former Rockettes reflect on the grueling audition process. The Rockettes’ assistant choreographer and dance captain Danelle Morgan, now celebrating 20 years of eye-high kicks, was rejected her first few tries. “It takes a lot of grit to be a Rockette and to be in the Christmas show in general,” director and choreographer Julie Branam told The Post.