U.S. singer Madonna performs on stage during her "Sticky and Sweet" tour at Maracana stadium in Rio de Janeiro December 14, 2008.
U.S. singer Madonna performs during her "Sticky and Sweet" tour at the Foro Sol stadium in Mexico City November 29, 2008.
Anne Hathaway will star in "The Opposite of Love," portraying a commitment-phobic attorney who finds her well-constructed life coming apart when she rejects her ready-for-marriage boyfriend.
U.S. singer Madonna performs on stage during her "Sticky and Sweet" tour at the Danube island in Vienna September 23, 2008. [Agencies]
U.S. singer Madonna performs during her Sticky and Sweet tour at Wembley Stadium in London September 11, 2008.
Justin Timberlake says Madonna is a very "specific" person to work with.
Madonna is putting her shoes where her mouth is.
Madonna poses in the press room at the 2009 MTV Video Music Awards in New York, September 13, 2009.
U.S. pop singer Madonna performs during her Sticky and Sweet Tour concert in Bucharest August 26, 2009.
Singer Taylor Swift arrives at the 2009 MTV Video Music Awards in New York, September 13, 2009.
Madonna and Argentina's President Cristina Fernandez de Kirchner hold a private meeting at the Casa Rosada Presidential Palace in Buenos Aires Dec 2, 2008.
U.S. singer Madonna performs during her "Sticky and Sweet" tour at the Foro Sol stadium in Mexico City November 29, 2008.