PONTIAC, MI - AUGUST 8: American, singer, songwriter and actress, Madonna, on stage during the "Who's That Girl" tour, on August 8, 1987, at the Pontiac Silverdome in Pontiac, Michigan. (Photo by Ross Marino/Icon and Image/Getty Images)
PONTIAC, MI - AUGUST 8: American, singer, songwriter and actress, Madonna, on stage during the "Who's That Girl" tour, on August 8, 1987, at the Pontiac Silverdome in Pontiac, Michigan. (Photo by Ross Marino/Icon and Image/Getty Images)