Canadian teen pop star Justin Bieber\'s song \"Born to Be Somebody\" is featured in a new TV spot for the documentary \"Bully.\" The trailer premiered on Fandango Monday. \"My fans are always up for supporting a great cause. It\'s one of the things I\'m most proud of as an entertainer,\" Bieber said in a statement. \"I hope they see \'Bully\' with their friends and help start the conversation so we can end bullying.\" \"We\'re honored that Justin has decided to support this film and the movement that surrounds it,\" said Stephen Bruno, president of marketing for The Weinstein Co.