http://watchamericanmusicawards.com Official full show stream worldwide! Christina Grimmie AMA 2011 performance AMA 2011 red carpet Taio Cruz featuring Christina Grimmie performance AMA 2011 performance Marianas Trench AMA 2011 performance Marianas Trench AMA 2011 red carpet Marianas Trench AMA 2011 makes fun of Justin Bieber LMFAO at AMA 2011 Metro Station AMA 2011 performance Metro Station AMA 2011 interview red carpet Esella AMA 2011 Taio Cruz and Christina Grimmie full AMA 2011 performance