Brianne Sidonie Desaulniers (born October 1, 1989), known professionally as Brie Larson, is an American actress. As a teenager, she played supporting roles in comedies and has since expanded to leading roles in independent films and blockbusters. Her accolades include an Academy Award, a Golden Globe Award, and a Primetime Emmy Award. Time magazine named her one of the 100 most influential people in the world in 2019.

At age six, Larson was the youngest student admitted to a training program at the American Conservatory Theater, and she began her acting career in 1998 with a comedy sketch on The Tonight Show with Jay Leno. She appeared as a regular in the 2001 sitcom Raising Dad. Briefly, she dabbled with a music career, releasing the album Finally Out of P.E. in 2005. She subsequently had supporting roles in the comedy films Hoot (2006), Scott Pilgrim vs. the World (2010), and 21 Jump Street (2012), and appeared as a sardonic teenager in the television series United States of Tara (2009–2011).

Her breakthrough came with a leading role in the independent drama Short Term 12 (2013). She continued to take on supporting parts in the romance The Spectacular Now (2013) and the comedy Trainwreck (2015). For playing a kidnapping victim in the drama Room (2015), she won the Academy Award for Best Actress. The 2017 adventure film Kong: Skull Island marked her first big-budget release, after which she starred as Captain Marvel in the Marvel Cinematic Universe, beginning with Captain Marvel (2019). Larson has since starred in the miniseries Lessons in Chemistry (2023), for which she was nominated for a Primetime Emmy Award for Outstanding Lead Actress.

Larson has co-written and co-directed two short films and made her feature film directorial debut with the independent comedy-drama Unicorn Store (2017). For producing the virtual reality series The Messy Truth VR Experience (2020), she won a Primetime Emmy Award for Outstanding Interactive Program. A gender equality activist and an advocate for sexual assault survivors, Larson is vocal about social and political issues.

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