She is famous for her roles in Marock (2005) and Pascal Laugier"s horror film Martyrs (2008). Alaoui spent her early life in the Arfa neighborhood of Casablanca, Morocco, and studied at the Casablanca American School. At 18, Alaoui moved to Paris, France, where she studied at the American University of Paris.
While attending the university, she met director Laila Marrakchi, who offered her a role in the film Marock (2005).
Marock was critically acclaimed and provided Alaoui national fame. In 2007, she began filming Martyrs, for which she is also known.