In 2008, who won the Academy Award for Best Actress for her role as Edith Piaf in "La Vie en Rose"?

"La Vie en Rose" (literally Life in pink) is a 2007 biographical musical film about the life of French singer Édith Piaf. The film was co-written and directed by Olivier Dahan, and stars Marion Cotillard as Piaf. Cotillard's performance received critical acclaim and earned her several awards including the Academy Award for Best Actress in 2008, This was the first time an Oscar had been given for a French-language role.

Marion Cotillard (born 30 September 1975) is a French actress, singer, musician, environmentalist and spokeswoman for Greenpeace. She is known for her wide range of roles across blockbusters and independent films. She has received numerous accolades, including; an Academy Award, a British Academy Film Award, a Golden Globe Award, two César Awards, a European Award, and a Lumières Award. She became a Knight of the Order of Arts and Letters in France in 2010, and was promoted to Officer in 2016.