[Hamburg, May 10. Image via Getty]

HAMBURG, GERMANY - MAY 10: (Editors Note 1: These pictures are available for publication only until June 10, 2010 / Editors Note 2: Image has been converted to black and white.) Lady Gaga performs during her 'Monster of Ball' tour at the O2 arena on May 10, 2010 in Hamburg, Germany. (Photo by Alexander Hassenstein/Getty Images)