Grew up in Colorado, Pennsylvania and Los Angeles.
Several of her family members are involved in the entertainment industry: her grandfather was an assistant director for Cecil B. DeMille, her father is a TV producer and her mother is a script supervisor and director.
Acting career began after an agent saw her perform in an elementary-school Christmas play when she was 8 years old.
First major film appearance was as Patricia Clarkson's daughter in The Safety of Objects (2001).
Big break came in 2002 when, at age 12, she starred as Jodie Foster's diabetic daughter in Panic Room; received her first Young Artist Award nomination for the role.
Became the first American actress to win a prestigious César Award (France's Oscar equivalent) when she won Best Supporting Actress in 2015 for Sils Maria.
Is involved with establishing halfway houses for runaway teens.
2010, BAFTA Film Awards — Rising Star Award: Winner
2007, Screen Actors Guild Awards — Outstanding Performance by a Cast in a Motion Picture: Nominee
2011, People's Choice Awards — Favorite Movie Actress: Winner