Watch Dance, Girl, Dance for Free: How to Stream the Movie Online at 123Movies. . Judy O'Brien is an aspiring ballerina in a dance troupe. Also in the company is Bubbles, a brash mantrap who leaves the struggling troupe for a career in burlesque. When the company disbands, Bubbles gives Judy a thankless job as her stooge. The two eventually clash when both fall for the same man.