The 56-year-old singer took some heat after posting photos of Martin Luther King Jr. and Nelson Mandela that were altered to look like her own image on her new album.
In a statement released on Friday on her Facebook page, Madonna said: 'I'm sorry. I'm not comparing my self to anyone. I'm admiring and acknowledging there Rebel Hearts
Madonna's new album, Rebel Heart (pictured), is scheduled for release on March 10 this year
Madonna continued to promote her upcoming album Rebel Heart on Saturday by posting this altered image of Princess Diana
And she wrote, 'This #rebelheart sang about ONE LOVE!', alongside the picture of Marley
South African anti-apartheid revolutionary: Madonna captioned the black-and-white image of Mandela - who was South African president from 1994 to 1999 and died last year -
Madonna came under fire after sharing images of Martin Luther King Jr (pictured), Nelson Mandela and Bob Marley stylised like her album cover
Madonna also posted this image on Saturday of artist Jean-Michel Basquiat