The singer-and-actress was one of the biggest solo winners at the ceremony at the Gibson Amphitheatre, Los Angeles, as she took home her haul of surfboard statuettes, including the Choice TV Actress Comedy accolade for her role as Alex Russo in the 'Wizards of Waverly Place' and the Choice Music Love Song gong for 'Love You Like a Love Song'.
The 17-year-old hunk - who went onstage with friend Sean Kingston, who was making his first live televised appearance since requiring two bouts of heart surgery after a jet-ski accident - picked up four awards, including Choice TV Villain for his guest appearance in US show 'CSI'.
Other big winners on the night included country musician Taylor Swift, who won six gongs including Choice Music Country Single for her hit 'Mean', as well as Choice Music Female Artist, Country Music Female Country Artist and Choice Red Carpet Fashion Icon Female.
Teen Choice Awards 2011 full list of winners:
Choice Movie Action - 'Fast Five'
Choice Movie Actor Action - Johnny Depp, 'The Tourist'
Choice Movie Actress Action - Angelina Jolie, 'The Tourist'
Choice Movie Sci-Fi/Fantasy - 'Harry Potter and the Deathly Hallows: Part 1'
Choice Movie Actor Sci-Fi/Fantasy - Taylor Lautner, 'The Twilight Saga: Eclipse'
Choice Movie Actor Romantic Comedy - Ashton Kutcher, 'No Strings Attached'
Choice Movie Actress Romantic Comedy - Emma Stone, 'Easy A'
Choice Movie Actress Comedy - Cameron Diaz, 'Bad Teacher'
Choice Movie Actor Drama - Robert Pattinson, 'Water for Elephants'
Choice Movie Villain - Tom Felton, 'Harry Potter and the Deathly Hallows: Part 1'
Choice Movie Hissy Fit - Ed Helms, 'The Hangover Part II'
Choice Movie Male Scene Stealer - Kellan Lutz, 'The Twilight Saga- Eclipse'
Choice Movie Female Scene Stealer - Ashley Greene, 'The Twilight Saga- Eclipse'
Choice Summer Movie - 'Harry Potter and the Deathly Hallows: Part 2'
Choice Summer Movie Star Male - Daniel Radcliffe, 'Harry Potter and the Deathly Hallows: Part 2'
Choice Summer Movie Star Female - Emma Watson, 'Harry Potter and the Deathly Hallows: Part 2'
Choice TV Show Drama - 'Gossip Girl'
Choice TV Actress Drama - Blake Lively, 'Gossip Girl'
Choice TV Show Fantasy/Sci-Fi - 'The Vampire Diaries'
Choice TV Actor Fantasy/Sci-Fi - Ian Somerhalder, 'The Vampire Diaries'
Choice TV Actress Fantasy/Sci-Fi - Nina Dobrev, 'The Vampire Diaries'
Choice TV Male Scene Stealer - Michael Trevino, 'The Vampire Diaries'
Choice TV Female Scene Stealer - Katerina Graham, 'The Vampire Diaries'
Choice TV Villain - Justin Bieber, 'CSI'
Choice TV Reality Show - 'Jersey Shore'
Choice TV Male Reality/Variety Star - Paul Pauly D Del Vecchio, 'Jersey Shore'
Choice TV Show Comedy - 'Glee'
Choice TV Actor Comedy - Cory Monteith, 'Glee'
Choice TV Actress Comedy - Selena Gomez, 'Wizards of Waverly Place'
Choice TV Breakout Star - Darren Criss, 'Glee'
Choice Music Male Artist - Justin Bieber
Choice Music Female Artist - Taylor Swift
Choice Music Group - Selena Gomez and The Scene
Choice Music Single - 'Who Says', Selena Gomez and The Scene
Choice Music Female Country Artist - Taylor Swift
Choice Music Country Single - 'Mean', Taylor Swift
Choice Music Love Song - 'Love You Like a Love Song', Selena Gomez
Choice Music Breakup Song - 'Back to December', Taylor Swift
Choice Summer Music Star Male - Bruno Mars
Choice Summer Music Star Female - Katy Perry
Choice Summer Song - 'Skyscraper', Demi Lovato
Choice Red Carpet Fashion Icon Female - Taylor Swift
Choice Male Hottie - Justin Bieber
Choice Female Hottie - Selena Gomez
Choice Comedian - Ellen Degeneres
Choice Twit - Justin Bieber
Choice Vampire - Robert Pattinson
Choice Web Star - Rebecca Black
Ultimate Choice Award - Taylor Swift