After a longer interruption she appeared in front of the camera as a young woman for the last time for "Aus des Rheinlands Schicksalstagen" (1926). Afterwards she retired from the film business.
She impersonated the title role in "Kasperl-Lotte" and she even played the leading role in "Die kleine Heldin" (1915).
Her brother Rolf Müller became a child actor too.
The child actress Lotte Müller became a much demanded actress from 1910 and she often appeared together with her sister, the child actress Hilde Müller, in movies.