Elvis Duran hosts this concert from Madison Square Garden. Among those scheduled to perform are Justin Bieber, Ariana Grande, Fifth Harmony, Diplo, Charlie Puth, Lukas Graham, DNCE and Niall Horan.
| Actor | Role |
|---|---|
 Niall HoranSelf - Performer | Self - Performer |
 Alex PallSelf - Performer | Self - Performer |
 Drew TaggartSelf - Performer | Self - Performer |
 Ellie GouldingSelf - Performer | Self - Performer |
 Justin BieberSelf - Performer | Self - Performer |
 DiploSelf - Performer | Self - Performer |
 Charlie PuthSelf - Performer | Self - Performer |
 Meghan TrainorSelf - Performer | Self - Performer |
 Tove LoSelf - Performer | Self - Performer |
 Hailee SteinfeldSelf - Performer | Self - Performer |
 Lukas Graham ForchhammerSelf | Self |