Mary J Blige signs with 300 Entertainment Kevin Fleming December 6, 2021 Business News, Entertainment, Music News Mary J. Blige has gone independent. The reigning queen of R&B has signed to 300 Entertainment, bringing her imprint Mary J. Blige Productions to the label. Blige adds legendary status to the roster consisting of Megan Thee Stallion, Young Thug, Gunna, Fetty Wap, and others. Read more in Ratedrnb.com. Related