Taylor Swift, Justin Bieber and "The Twilight Saga" won top honors at "Teen Choice Awards 2012". Bieber, 18, performed "Boyfriend" and his latest single, "As Long As You Love Me" with rapper Big Sean. The Canadian pop star won four awards, including Choice Music Male Artist and Single by Male Artist for "Boyfriend." "The Twilight Saga: Breaking Dawn -Part 1" picked up the Ultimate Choice Award. The film's stars Kristen Stewart, Robert Pattinson and Taylor Lautner came on stage together to accept the surfboard trophies, and then gave them away to the audience which delighted fans. The special also honored "Twilight" star Kristen Stewart with the Ultimate Choice Award, Choice Summer Movie Star: Female and Choice Movie Actress: Romance.