Women in hip hop
Credit: AP
Rihanna, left, and Chris Martin of the band Coldplay perform during the 54th annual Grammy Awards in Los Angeles. (Feb. 12, 2012)
Credit: AP
Singer Nicki Minaj performs in Times Square during a show presented by Nokia to celebrate the release of their Lumia 900 smartphone in Manhattan. (April 6, 2012)
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Cassie attends the "Culo By Mazzucco" launch at the Tony Shafrazi Gallery in Manhattan. (Oct. 9, 2011)
Credit: AP
Fergie arrives at the 54th annual Grammy Awards in Los Angeles. (Feb. 12, 2012)
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Singer Ke$ha performs on NBC's "Today" at Rockefeller Center on Aug. 13, 2010.
Credit: AP
US singer Lauryn Hill performs on stage during a concert at the Live at Sunset Open Air Festival in Zurich, Switzerland. (July 12, 2007)
Credit: Getty Images
Singer Janet Jackson visits BET's 106 & Park at BET Studios in Manhattan. (March 31, 2010)
