Hilary Duff won the 2010 Teen Choice Award for Choice TV: Female Scene Stealer for her role in Gossip Girl.
Hilary beat out the competition which included:
Bethany Joy Galeotti, One Tree Hill
Katerina Graham, The Vampire Diaries
Shenae Grimes, 90210
Amber Riley, Glee
Hilary attended the event to accept her award.
Check out a complete list of 2010 Teen Choice Awards winners at Entertainment Weekly.