June 10, 1985: American musician Madonna performs onstage during 'The Virgin Tour' at Madison Square Garden. Photo by Gary Gershoff/Getty Images.
May 21, 1985: Madonna performs on the Virgin Tour at the St. Paul Civic Center. Photo by Jim Steinfeldt/Michael Ochs Archives/Getty Images.
July 13, 1987: Madonna performing on stage during her Who's That Girl tour. Photo by Ebet Roberts/Redferns.
July 29, 1987: Madonna performs on the Who's That Girl Tour at the St. Paul Civic Center in St. Paul, Minnesota. Photo by Jim Steinfeldt/Michael Ochs Archives/Getty Images.
November 6, 1990: Madonna's Blond Ambition World Tour. Photo by Kevin Mazur Archive/WireImage.
July 24, 1990: Madonna performs at the Feijenoord Stadium during her Blonde Ambition tour in Rotterdam, the Netherlands. Photo by Frans Schellekens/Redferns.
October 14, 1993: Madonna performs during her Girlie Show Tour at Madison Square Garden. Photo by Ke.Mazur/WireImage.
October 14, 1993: Madonna performs during her Girlie Show Tour at Madison Square Garden in New York City. Photo by Steve Eichner/WireImage.
September 2,1993: Madonna performs the Girlie Show at the 1993 MTV Video Music Awards in Los Angeles,California. Photo by Frank Micelotta/Getty Images.
July 21, 2001: Madonna performing during the first show in the North American leg of her 'Drowned World Tour 2001' at the First Union Center. Photo by Frank Micelotta/ImageDirect.
July 21, 2001: Madonna performs at the kickoff of the U.S. leg of her 'Drowned World Tour' at the First Union Center. Photo by Harry Hamburg/NY Daily News Archive via Getty Images.
August 28, 2003: Madonna, Britney Spears and Christina Aguilera perform the opening act at the 2003 MTV Video Music Awards. Photo by Kevin Kane/WireImage.
May 26, 2004: Madonna performs onstage during her 'Re-Invention' World Tour at The Great Western Forum in Inglewood, California. The outfit she is wearing is designed by Christian LaCroix. Photo by Frank Micelotta/Getty Images.
June 2, 2004: Madonna performs onstage during her 'Re-Invention' World Tour 2004 at the Arrowhead Pond in Anaheim, California. Photo by Frank Micelotta/Getty Images.
September 1, 2004: Madonna performs on stage at the Palais Omnisports de Bercy in Paris, during the France opening concert of her 'Re-Invention' World tour. Photo by Bertrand Guay/AFP/GettyImages.
September 20, 2006: Madonna performs during her 'Confessions' Tour at th Tokyo Dome. Photo by Jun Sato/WireImage.
August 1, 2006: Madonna performs onstage at the first London concert of her 'Confessions' World Tour at Wembley Arena. Photo by Dave Hogan/Getty Images.
September 1, 2009: Madonna performs on stage during her 'Sticky and Sweet' tour concert in Tel Aviv's Yarkon Park. Photo by Jack Guez/AFP/Getty Images.
November 6, 2008: Britney Spears sings a song with Madonna on stage during the Sticky and Sweet tour at Dodger Stadium in Los Angeles, California. Photo by Joe Scarnici/WireImage.
February 5, 2012: Madonna performs during the Bridgestone Super Bowl XLVI Halftime Show at Lucas Oil Stadium. Photo by Kevin Mazur/WireImage.
February 5, 2012: Madonna performs with Nicki Minaj during the Bridgestone Super Bowl XLVI Halftime Show at Lucas Oil Stadium. Photo by Al Bello/Getty Images.
August 28, 2012: Madonna performs during the MDNA North America tour opener at the Wells Fargo Center. Photo by Kevin Mazur/WireImage.
November 20, 2012: Madonna performs her final performance of her U.S. 'MDNA' tour at American Airlines Arena. Photo by Larry Marano/Getty Images.
September 10, 2015: Madonna performs onstage during her 'Rebel Heart' tour at Bell Centre in Montreal, Canada. Photo by Kevin Mazur/Getty Images for Live Nation.
January 27, 2016: Madonna performs during the "Rebel Heart Tour" at Coliseo Jose M. Agrelot in San Juan, Puerto Rico. Photo by GV Cruz/WireImage.
November 7, 2016: Madonna holds a rally to support Hillary Clinton at Washington Square Park in New York City. Photo by Noam Galai/Getty Images.