U2, Bieber, Bon Jovi For Japan

 JUSTIN BIEBER and U2 will appear on a new charity album to benefit Japan's earthquake and tsunami victims. Universal Music hopes to have it out by the end of the week so it'll be a digital-only release. The full lineup of artists...

is not complete, but RIHANNA, NICKI MINAJ and BON JOVI have already agreed to participate.