Awards
|
Year
|
Presenter | Award | Result |
|---|---|---|---|
|
2006
|
ShoWest | Female Star of Tomorrow | Won |
| Satellite Awards | Best Actress in a Supporting Role | Won | |
| National Board of Review | Best Female Breakthrough Performance | Won (tied with Rinko Kikuchi) | |
| Los Angeles Film Critics Association | Best Supporting Actress | Runner-Up | |
| New York Film Critics Circle | Best Supporting Actress | Won | |
| New York Film Critics Online | Best Supporting Actress | Won (tied with Catherine O’Hara) | |
| Breakthrough Performer | Won | ||
| Hollywood Life Awards | Breakthrough of the Year | Won | |
| Southeastern Film Critics Association Awards | Best Supporting Actress | Won | |
| Washington, DC Film Critics Association | Best Supporting Actress | Won | |
| Best Breakthrough Performance | Won | ||
| African-American Film Critics Association | Best Supporting Actress | Won | |
| Palm Springs International Film Festival | Breakthrough Performance Award | Won | |
| Las Vegas Film Critics Association | Best Supporting Actress | Won | |
| Florida Film Critics Circle Awards | Pauline Kael Breakout Award | Won | |
| Oklahoma Film Critics Circle Award | Breakout Performance | Won | |
|
2007
|
The National Society of Film Critics | Best Supporting Actress | Runner Up |
| St. Louis Gateway Film Critics Awards | Best Supporting Actress | Won | |
| Austin Film Critics Association | Breakout Artist | Won | |
| Broadcast Film Critics Awards | Best Supporting Actress | Won | |
| Golden Globes | Best Performance by an Actress in a Supporting Role in a Motion Picture | Won | |
| Academy Awards | Performance by an Actress in a Supporting Role | Nominated | |
| Screen Actors Guild Awards | Best Supporting Actress | Won | |
| NAACP Image Awards | Best Supporting Actress in a Movie | Nominated | |
| BAFTA | Actress in a Supporting Role | Nominated | |
| Ohio Film Critics Awards | Best Supporting Actress | Won |



