In 2023, Kerstin completed her acting studies at Schauspielschule Krauss. During her acting studies, she played in 'Kriegerin,' directed by Anja Szilinski at Vestibül, Burgtheater Vienna. Most recently, she performed in 'antigone. ein requiem' at Schauspielhaus Wien under the direction of Alexander Gratzer and in 'Putsch,' directed by Simon Windisch, as part of the theater festival La Strada Graz. She is currently working on her own theater project, which will be shown in April as part of the children's network conference at the Stadtgalerie Mödling.