Black Girls Rock! Celebrates Rihanna, Gladys Knight and Black Womanhood [VIDEO]Black Girls Rock! Celebrates Rihanna, Gladys Knight and Black Womanhood [VIDEO]From Jazmine Sullivan to Corinne Bailey Rae, The Boombox caught up with some of the stars at Black Girls Rock! 2016Todd "Stereo" WilliamsTodd "Stereo" Williams