Artists speaking out as tensions boil over in Missouri town.
Plus, pics from Jennifer Lopez, Beyoncé, Big Sean and more.
Plus Jeezy takes a stand in the Michael Brown case, and Rihanna commemorates Robin Williams.
Atlanta MC stands in solidarity with those seeking justice in wake of unarmed teen's death.
Jay Z, Rick Ross, T.I. and more to appear on the album.
Plus, pics of Rihanna, T.I., Amber Rose, La La Anthony and more.