MADONNA is the most successful female vocalist of the entire rock era

Billboard has just listed Madonna as the most successful female vocalist of the entire rock era. Congratulations to the Diva.

Madonna The Supreme Real Music Diva!

Billboard lists Madonna as the most successful female vocalist of the entire rock era ! pic.twitter.com/oorUW0iYGF

— News-of-Madonna (@newsofM) May 26, 2015

Madonna The Supreme Real Music Diva!