Justin Bieber got his start posting cover songs on YouTube and now he's working with the platform on a "top secret project." YouTube announced Thursday that it is planning a project with the Grammy-winning Canadian pop star, set to premiere next year. No more details about the Bieber special were revealed. Before releasing his debut song in 2009, Bieber gained popularity from posting his performances on YouTube. YouTube announced a slate of new programming Thursday, including documentaries on Colombian singer Maluma and socialite Paris Hilton.