USA MTV VIDEO MUSIC AWARDS 2011 US singer Katy Perry answers questions in the Press Room at the MTV Video Music Awards 2011 in Los Angeles , California , USA , 28 August 2011 . Perry won the awards Best Special Effects and Best Collaboration with ' E . T . ' and also won Video of the Year with ' Firework '. EPA / PAUL BUCK < 모바일 애플리케이션 > < 포토 매거진 >< 저작권자 ( c ) 연합뉴스 . 무단 전재 - 재배 포금 지 . >