She rose to prominence with her title role in the 2019 film "Lola" ("Lola vers la mer"), in which she played a 18-year-old transgender girl grieving the death of her mother. Her portrayal received general acclaim from film critics, resulting in numerous accolades. At the 10th Magritte Awards, "Lola" received seven nominations and won two, including Most Promising Actress for Bollaers, becoming the first openly transgender person to be nominated for a Magritte Award.