 Guest vocalists on the album include Grace Jones, Chris Brown, Lil Wayne, Skylar Grey, Drake, Justin Timberlake, Nicki Minaj, T.I., Wiz Khalifa, Swizz Beatz, Trey Songz, Rick Ross, Usher, Sevyn Streeter, James Fauntleroy, Bilal and The Notorious B.I.G.The album also features vocal segues from designers and editors of the fashion world, including "Vogue" editor-in-chief Anna Wintour and Tommy Hilfiger.The executive producers on the album are Rodney Jerkins, Diddy, Mario Winans and Herve Pierre.