Fester was born 28 April 1998 in Hildesheim, Germany to Florian Brandhorst and Andrea Fester. Her parents were both actors and her mother also co-led the Center for Theater Pedagogics in Hildesheim.[2][3]
She attended Robert-Bosch-Gesamtschule, a public school, graduating with her Abitur in 2017. Between 2014 and 2015, Fester completed an international student exchange, at Churchill Academy and Sixth Form in North Somerset, England.[4] In 2017, she moved to Hamburg, where she applied to Hochschule für Musik und Theater (English: University of Applied Sciences for Theater and Music), but she was not admitted.[5]
Career
After not being admitted into college, Fester worked as an independent assistant director for the children and youth theater. Between 2018 and 2019 she worked as assistant director and stagehand at Deutsches Schauspielhaus.[6]