Cécile Cassel has appeared in a variety of films throughout her career, but one of her most acclaimed works remains The First Day of the Rest of Your Life (2008), which is often regarded as her highest-rated film. On the other hand, My Last Five Girlfriends (2009) tends to be viewed as her least successful project in terms of critical reception. While Cécile Cassel continues to explore different roles, these two films represent the extremes of her filmography in terms of audience and critic response.