Il Divo will serenade guests at the Inaugural Purple Ball in Washington D.C.
Hill Harper will host the event which will also feature a performance from Peter Cincotti and guests confirmed to attend include Patricia Arquette, Susan Sarandon, Tim Robbins, Ed Harris, John Cusack and Ashley Judd.
The Eracism Foundation will be the main benefactor of the Inaugural Purple Ball, on January 20.
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