Pauline Étienne was born on June 26, 1989, in Ixelles, Brussels, Belgium. She is a Belgian actress primarily known for her work in French and Belgian films. She demonstrated an interest in acting from a young age.
Étienne began her acting career in the late 2000s. Her breakthrough role came in 2008 with the film Élève Libre directed by Joachim Lafosse. Her performance garnered critical acclaim and established her as a promising young actress.
Étienne has starred in a variety of films, showcasing her versatility as an actress. She has received several nominations and awards for her performances. In 2013, she won the Magritte Award for Most Promising Actress for her role in Paradis Perdu. She won the Magritte Award for Best Actress for her role in The Nun in 2014.