"Enough Cryin" a song by American singer Mary J. Blige. It was written by Blige, Rodney "Darkchild" Jerkins, Sean Garrett and Shawn "Jay-Z" Carter for her seventh studio album, The Breakthrough (2005), while production was helmed by Jerkins. The song features Blige's alter ego, Brook Lynn, whom Blige created to give her lyrical freedom without the fear of damaging her own persona. "Enough Cryin" was released as the album's third single on March 2, 2006 in the United States, peaking at number 32 on the US Billboard Hot 100 and number 2 on the Hot R&B/Hip-Hop Songs chart.