Justin Bieber, Britney Spears, Lil Wayne, Miley Cyrus, 2NE1 and many more are featured on the album.
Will.i.am's oft-delayed, Twitter-friendly solo album "#willpower" is finally hitting stores next month. The follow-up to 2007's "Songs About Girls" will be released on Apr. 23 through Interscope Records, and a includes formidable amount of A-list collaborations.
The album's first single, "#thatPOWER" featuring Justin Bieber, hit iTunes on Monday (Mar. 18) after leaking online last week, and a proper music video is coming next month. "#willpower" will also include Will.i.am's current Top 10 hit, "Scream & Shout" with Britney Spears, which holds at No. 8 on this week's Hot 100.