Marlene Dietrich well as George Bernard Shaw's "Back to Methuselah" and "Misalliance". It was in musicals and revues such as "Broadway", "Es Liegt in der Luft", and "Zwei Krawatten", however, that she attracted the most attention. By the late 1920s, Dietrich was also playing sizable parts on screen, including roles in "Café Elektric" (1927), "I Kiss Your Hand, Madame" (1928), and "The Ship of Lost Souls" (1929). In 1929, Dietrich landed the breakthrough role of Lola Lola, a cabaret singer who caused the downfall of a hitherto respectable schoolmaster (played by Emil Jannings), in the UFA production of "The Blue Angel" (1930),
Marlene Dietrich del Río (whom Dietrich considered the most beautiful woman in Hollywood). The French singer Edith Piaf was also one of Dietrich's closest friends during her stay in Paris in the 1950s, and there were always rumors of something more than friendship between them. Greta Garbo has been commonly regarded as Dietrich's greatest film rival, but there is also a rumor of an affair between them. This rumor had its highlight in 2000 when writer Diana McLellan released her book "The Girls: Sappho goes to Hollywood". The author wrote that, in her research, she found proof of a never-before-reported affair between