Mary J. Blige, The Queen of Hip-Hop and Soul was surprised with a 40th birthday party attended by Oprah Winfrey, Gayle King,  Beyonce, Jay-Z, Ne-Yo, Diddy, Russell Simmons, Kevin Liles, Lyor Cohen, LL Cool J, June Ambrose, Angie Martinez, Taraji P. Henson and others.