Britney Spears to Perform at Billboard Music Awards

Getty Images. MARCH 27: Britney Spears attends “Good Morning America’s” Taping Performance At Bill Graham Civic Auditorium on March 27, 2011 in …

Getty Images. MARCH 27: Britney Spears attends “Good Morning America’s” Taping Performance At Bill Graham Civic Auditorium on March 27, 2011 in …