Watch Sparkle for Free: How to Stream the Movie Online at 123Movies. . Musical prodigy, Sparkle struggles to become a star while overcoming issues that are tearing her family apart. From an affluent Detroit area and daughter to a single mother, she tries to balance a new romance with music manager Stix while dealing with the unexpected challenges her new life will bring as she and her two sisters strive to become a dynamic singing group during the Motown-era.