Jennifer Lopez performs at The Sound of Change Live at Twickenham Stadium 

Jennifer Lopez performs at The Sound of Change Live at Twickenham Stadium in London on Saturday, June 1st, 2013. (Photo by Jon Furniss/Invision/AP Images)
Associated Press
Jennifer Lopez performs at The Sound of Change Live at Twickenham Stadium in London on Saturday, June 1st, 2013. (Photo by Jon Furniss/Invision/AP Images)
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