▁E fr on ▁Ash ley ▁Gre ene ▁Victoria ▁Justice ▁Kelly ▁R ip a ▁Kh lo é ▁K ard ash ian ▁Kim ▁K ard ash ian ▁K ourt ney ▁K ard ash ian ▁Zach ary ▁Le vi ▁George ▁L ope z ▁( as ▁" K oug ar ▁K ard ash ian ") ▁Justin ▁Long ▁LL ▁C ool ▁J ▁Bruno ▁Mars ▁( per formed ) ▁Tra vie ▁Mc Co y ▁( per formed ) ▁Julian ne ▁H ough ▁Le ight on ▁Me ester ▁William ▁M ose ley ▁Sh aqu ille ▁O ' Ne al ▁Jim ▁Par s ons ▁K aty ▁Perry ▁( Host ed / per formed ) ▁Ryan ▁She ck ler ▁Y v onne ▁Stra hov ski ▁Sh ail ene ▁Wood ley ▁ ▁Perform ers ▁listed ▁in ▁order ▁of ▁appearance ▁A - T rak ▁</ small >( D J ▁Host ) </ small > ▁K aty ▁Perry ▁" Te en age ▁Dream " ▁Jason ▁Der ü lo ▁" Wh atch a ▁Say " ▁( intro )/ " In ▁My ▁Head " ▁Tra vis ▁Mc Co y ▁and ▁Bruno ▁Mars ▁" B ill ion aire " ▁Justin ▁B ie ber ▁" U ▁Sm ile " 1 ▁D idd y ▁– ▁D irty ▁M oney ▁" Hello ▁Good ▁Mor ning " ▁( D idd y ' s ▁appearance ▁was ▁a ▁pre - record ed ▁performance ▁at ▁his ▁Phoenix , ▁Arizona ▁tour ▁date .) ▁ ▁Awards ▁Nom ine es ▁were ▁announced ▁in ▁two ▁waves . ▁Over ▁ 8 5 ▁million ▁votes ▁were ▁cast ▁to ▁determine ▁w inners