Will.i.am - #willpower (deluxe).zip Now

Britney Spears ("Scream & Shout"), Justin Bieber ("#thatPOWER"), and Miley Cyrus ("Fall Down" and "Feelin' Myself").

The album is defined by its extensive list of guest appearances: will.i.am - #willpower (Deluxe).zip

Initially released on April 16, 2013, for free streaming on YouTube following a leak, with the physical CD release occurring on April 19 in several international markets and April 23 in the U.S.. Britney Spears ("Scream & Shout")