Before making an unexpected appearance at the star-studded event, the 65-year-old pop superstar posted a carousel of explicit photos on Instagram on Thursday.
Amazing in an extreme-plunge bustier black bodysuit, gloves, fishnet stockings, black stiletto boots, and Miu Miu sunglasses, she posed like a model.
Before leaving her hotel room, the singer posed for a seductive photo in a black and white photo, her curly, abundant blonde hair framing her face.
Other photos showed the celebrity strutting about her dressing room, her face painted in a gorgeous array of cosmetics; she proudly displayed her beauty bag, which has her initials and a heart stitched onto it.