by Contents
Awards and Category
| Year | Award | Category | Result |
| 2011 | Academy Awards | Best Supporting Actress | Nominated |
| 2011 | British Academy Film and Television Arts Awards | Best Actress in a Leading Role | Nominated |
| 2011 | Critics’ Choice Awards | Best Supporting Actress | Nominated |
| 2011 | Critics’ Choice Awards | Best Young Performer | Won |
| 2016 | Critics’ Choice Awards | Best Young Performer | Nominated |
| 2016 | Critics’ Choice Awards | Best Actress in a Comedy | Nominated |
| 2016 | Golden Globe Awards | Best Actress – Musical or Comedy | Nominated |
| 2011 | Screen Actors Guild Awards | Outstanding Performance by a Female Actor in a Supporting Role | Nominated |
| 2017 | Billboard Music Awards | Top Covered Artist | Won |
| 2012 | Empire Awards | Best Female Newcomer | Nominated |
| 2020 | GLAAD Media Awards | Outstanding Comedy Series | Nominated |
| 2015 | iHeartRadio Music Awards | Biggest Triple Threat | Nominated |
| 2017 | Kids’ Choice Awards | Favorite New Artist | Nominated |
| 2019 | Kids’ Choice Awards | Favorite Female Voice from an Animated Movie | Nominated |
| 2013 | Max Mara | Face of the Future | Won |
| 2017 | MTV Europe Music Award | Best Push Act | Won |
| 2018 | MTV Europe Music Award | Best Pop | Nominated |
| 2019 | MTV Europe Music Award | Best World Stage Performance | Nominated |
| 2011 | MTV Movie & TV Awards | Best Breakthrough Performance | Nominated |
| 2017 | MTV Movie & TV Awards | Best Performance in a Movie | Nominated |
| 2020 | Peabody Awards | Entertainment Honoree | Won |
| 2017 | Radio Disney Music Awards | Breakout Artist Award | Nominated |
| 2017 | Radio Disney Music Awards | Best Crush Song | Nominated |
| 2018 | Radio Disney Music Awards | Best Dance Track | Nominated |
| 2011 | Saturn Awards | Best Performance by a Younger Actor | Nominated |
| 2019 | Saturn Awards | Best Supporting Actress | Nominated |
| 2011 | Teen Choice Awards | Breakout Artist | Nominated |
| 2015 | Teen Choice Awards | Choice Move Scene Stealer | Nominated |
| 2017 | Teen Choice Awards | Choice Music – Female Artist | Nominated |
| 2017 | Teen Choice Awards | Choice Music – Single | Nominated |
| 2017 | Teen Choice Awards | Choice Movie Actress – Drama | Nominated |
| 2018 | Teen Choice Awards | Choice Movie Actress – Comedy | Nominated |
| 2019 | Teen Choice Awards | Choice Movie Actress – Action | Nominated |
| 2011 | Young Artist Awards | Best Performance in a Feature Film – Leading Young Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Most Promising Performer | Nominated |
| 2010 | Critics associations | Best Supporting Actress | Nominated |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Youth In Film | Won |
| 2010 | Critics associations | Best Young Female Performance | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Won |
| 2010 | Critics associations | Vancouver Film Critics Circle Award for Best Supporting Actress | Won |
| 2010 | Critics associations | Best Supporting Actress | Nominated |
| 2011 | Critics associations | Best Supporting Actress | Won |
| 2014 | Critics associations | Best Ensemble | Won |
| 2016 | Critics associations | Best Actress | Nominated |
| 2016 | Critics associations | Youth in Film | Nominated |
| 2016 | Critics associations | Best Youth Performance | Nominated |
| 2016 | Critics associations | Best Young Actress | Won |
| 2019 | Critics associations | Best Animated Female | Nominated |
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