Brianne Sidonie Desaulniers (born October 1, 1989), known professionally as Brie Larson, is an American actress and singer. Larson's breakthrough role came with the independent drama Short Term 12 (2013), for which she was received critical acclaim. Further success came in 2015 when she starred in Room, an acclaimed drama based on Emma Donoghue's novel of the same name. She won several awards for her portrayal of a troubled mother in the film, including the Academy Award, BAFTA Award and Golden Globe Award for Best Actress. Born in Sacramento, California, Larson was home-schooled before she studied acting at the American Conservatory Theater. She began her acting career in television, appearing as a regular on the 2001 sitcom Raising Dad, for which she was nominated for a Young Artist Award.
As a teenager, Larson struggled for a breakthrough as a singer. She released her only album Finally Out of P.E. in 2005 to moderate success. She had brief roles in the 2004 films 13 Going on 30 and Sleepover. Her performance in the comedy film Hoot (2006) was praised, and she subsequently played supporting roles in the films Greenberg (2010), Scott Pilgrim vs. the World (2010), and 21 Jump Street (2012). From 2009 to 2010, Larson featured as a rebellious teenager in the television series United States of Tara.