Acting is Rosalie's greatest passion and she has been doing this since she was 10 year old. She appeared in student productions for the HKU, NVAB and AKTA, as well as a number of professional productions. Among other things, she played the roles of Bente and Morris in 'De vloek van kamp nachtrust’, which was nominated for a Cinekid award in '23. She also appeared in the 48H 'Hardwerkend Materiaal', which won 1st prize in group A, in 'De Ster van de Show', which was shown at the NFF '25 and in the 48H 'De waterlanders' which won the 1st prize in group D. In 2024, Rosalie realized her own first film project, Mama's Geheim (Mom's Secret), for which she wrote the script, did a large part of the production, and in which she starred as Yara, the lead role. Mama's Geheim premiered at the Cinekid festival '24, has since been selected for various film festivals and has won several awards (including for short, actress, cast, and screenwriter). In 2026 she will be seen in several series, short and feature films.