Mary J. Blige

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When Mary J. Blige’s backup singers practiced before the musical acts performed, it had Ingrid Nurse putting on her dancing shoes. (Andrew Geraci/The Washington Times)

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Mary J. Blige takes the stage to sing on the night that President Barack Obama accepts his party's nomination for a second term as President of the United States at the Democratic National Convention.(Barbara Salisbury/ The Washington Times)

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Mary J. Blige sings during the Democratic National Convention in the Time Warner Arena. (Andrew Geraci/ The Washington Times)

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Mary J. Blige takes the stage to sing on the night that President Barack Obama accepts his party's nomination for a second term as President of the United States. (Andrew Geraci/ The Washington Times)

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Mary J. Blige sings during the Democratic National Convention. (Barbara Salisbury/ The Washington Times)

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Mary J. Blige takes the stage to sing on the night that President Barack Obama accepts his party's nomination for a second term as President of the United States at the Democratic National Convention.(Barbara Salisbury/ The Washington Times)

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Singer Mary J. Blige sings after the Giorgio Armani fashion show held in Beijing, China, Thursday, May 31, 2012. (AP Photo / Ng Han Guan)

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Swizz Beatz, left, and Mary J. Blige perform at the MTV Video Music Awards on Sunday, Sept. 12, 2010 in Los Angeles. (AP Photo/Matt Sayles)

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Swizz Beatz, left, Mary J. Blige, center, and Drake perform at the MTV Video Music Awards on Sunday, Sept. 12, 2010 in Los Angeles. (AP Photo/Matt Sayles)