LONDON, ENGLAND - DECEMBER 01: Madonna performs at the O2 as part of her 'Rebel Heart' world tour at The O2 Arena on December 1, 2015 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)
LONDON, ENGLAND - DECEMBER 01: Madonna performs at the O2 as part of her 'Rebel Heart' world tour at The O2 Arena on December 1, 2015 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)