`` I feel like I 'm going to be here for a very long time , '' Justin Bieber tells AMA audience . Korea 's Psy teams with MC Hammer for a dance medley . ` ' Nicki Minaj says after second consecutive win for favorite rap/hip hop artist . Adele for favorite adult contemporary artist ; Shakira for favorite latin music artist ; and tobyMac for favorite contemporary inspirational artist . Country music 's Luke Bryan thanks sons `` Tater Bug and Bobo '' during speech .
`` I feel like I 'm going to be here for a very long time , '' Justin Bieber tells AMA audience . Korea 's Psy teams with MC Hammer for a dance medley . ` ' Nicki Minaj says after second consecutive win for favorite rap/hip hop artist . Country music 's Luke Bryan thanks sons `` Tater Bug and Bobo '' during speech .