Katy B

with Britney Spears, Christina Aguilera, Daniel Merriweather, Jennifer Hudson, Jordin Sparks, Kelly Clarkson, Chris Brown, P!nk, Kelly Rowland, Madcon, Scouting For Girls, USHER, Groove Armada, Justin Timberlake, Metro Station, Gramma Funk, Timbaland, Sound Selektaz, Total Control, Bass Force, Marc JB, Lee Dagger AKA Bimbo Jones, DJ Puddy, Jason Nevins, The Count, Lenny B, Ty Sunderland, Luke Solomon, Adam Lambert, Alicia Keys, CLMD, Gossip, Little Mix, Miike Snow, Rebecca Ferguson, Rita Ora, Sia, Various Artists, Alexandra Burke, Cher Lloyd, Chip, JLS, Magnetic Man, Mark Ronson, The Script, The Business Intl, A$AP Rocky, DEV, Flo Rida, John Legend, Mike Posner, will.i.am