Article continues below advertisementMadonna is celebrating the 20th anniversary of her hit album, Confessions on a Dance Floor.In a new post on Tuesday, November 11, the pop music icon shared that she's had the record "on repeat," alongside a carousel of photos that show her modeling a totally sheer look with no bra, leaving little to the imagination. The 67-year-old "Hung Up" singer can be seen in what appears to be a discothèque, surrounded by mirrors, posing in a flimsy white dress with a fur coat on top and sparkly gold pumps.