Nadia Hilker was 20 in Zimmer mit Tante when she played the character 'Marie-Luise 'Malu' Seelig'.
That was over 14 years ago in 2010.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 35, and has starred in 5 movies in total, 4 of those since Zimmer mit Tante was released.
In Zimmer mit Tante, I think Nadia Hilker looks: