Madonna went full Throwback Thursday with a NSFW look and was joined by fellow music royalty at the 2014 Black Ball, hosted by the Keep a Child Alive charity. The 56-year-old Queen of Pop wore a black, semi-sheer lace corset dress that showed some serious cleavage…and left little to the imagination, as well as a crucifix pendant, channeling a mashup of looks she sported in her ’80s music videos “Like a Virgin” and “Like a Prayer.” She paired the look with thigh-high Givenchy boots.