Mahogany (1975)
Struggling Chicago fashion design student Tracy (Diana Ross) goes from rags to riches when a chance meeting with hotshot fashion photographer Sean (Anthony Perkins) in the department store where she works leads to a runway life as a model in Rome. Tracy's overnight success and strong ambitions bring her professional success as a designer, but her diva antics may destroy her relationship with social activist Brian (Billy Dee Williams), as well as her respect in the fashion world.

Lady Sings the Blues (1972)
Pop star Diana Ross portrays legendary jazz singer Billie Holiday in this biographical drama. Beginning with Holiday's traumatic youth, the film depicts her early attempts at a singing career and her eventual rise to stardom, as well as her difficult relationship with Louis McKay (Billy Dee Williams), her boyfriend and manager. Casting a shadow over even Holiday's brightest moments is the vocalist's severe drug addiction, which threatens to end both her career and her life.