Hélène Christine Marie Rigoine de Fougerolles is a French actress who was twice nominated for the César Award for Most Promising Actress for Arthur Joffé's Let There Be Light (1998) and Jacques Rivette's Va savoir (2001) for which she was also awarded the Prix Romy Schneider. de Fougerolles spent the first phase of her career in auteur cinema appearing in such films as Jean-Pierre Mocky's Le Mari de Léon (1992), Patrice Chéreau's La Reine Margot (1994), Cédric Klapisch's Le Péril jeune (1994), Philippe Harel's The Story of a Boy Who Wanted to Be Kissed alongside Marion Cotillard, Mathieu Kassovitz's Assassin(s) (1997) or Baltasar Kormákur's The Sea (2002). She played Madame de Pompadour twice, in Fanfan la Tulipe (2003) alongside Penélope Cruz and Robin Davis' Jeanne Poisson (2006). As of 2021, she has starred in more than 60 cinema, television and stage productions and her book T'inquiète pas, maman, ça va aller (2021) about her daughter's autism is published throughout the french-speaking world.

The César Award for Best Female Revelation is one of the César Awards, presented annually by the Académie des Arts et Techniques du Cinéma to recognize the outstanding breakthrough performance of a young actress who has worked within the French film industry during the year preceding the ceremony. Nominees and winner are selected via a run-off voting by all the members of the Académie, within a group of 16 actresses previously shortlisted by the Révélations Committee.