Credits

Chris Brown: Vocals
Lil Wayne: Rap
Ludacris: Rap
Timbaland: Rap
Akon: Rap
Usher: Vocals
will.i.am: Rap
Sia: Vocals
David Guetta: Producer
Afrojack: Producer
Jennifer Hudson: Vocals
Flo Rida: Rap
Taio Cruz: Vocals
Frederic Riesterer: Producer
Sandy Vee: Producer
Nicki Minaj: Rap
Mike Caren: Co-Producer
DEV: Vocals
Jessie J: Vocals
Giorgio Tuinfort: Producer