Summary
Featuring Usher; Ariana Grande; Jason DeRulo; Zac Brown Band; Steve Aoki; Bastille; Nicki Minaj; Coldplay; and Taylor Swift.
Guest stars
Ariana Grande,
Chris Martin,
Dan Smith,
Guy Berryman,
Jason Derulo,
Jonny Buckland,
Kyle Simmons,
Nicki Minaj,
Steve Aoki,
Taylor Swift,
Usher Raymond,
Will Champion,
Will Farquarson,
Woody,
Zac Brown Band