Niall Horan
Himself - Performer
Alex Pall
Himself - Performer
Drew Taggart
Himself - Performer
Ellie Goulding
Herself - Performer
Justin Bieber
Himself - Performer
Diplo
Himself - Performer
Charlie Puth
Himself - Performer
Meghan Trainor
Herself - Performer
Tove Lo
Herself - Performer
Hailee Steinfeld
Herself - Performer
Lukas Forchhammer
Self