Bob Mackie first dressed Cher when the singer was a guest on "The Carol Burnett" show. The fashion designer and the star went on to work together for seven decades.

But the superstar wasn’t having it and objected ... The show includes a second-act parade of his iconic Cher costumes, dubbed “the Mackie number” and set to “Ain’t Nobody’s Business ...

During an interview for the new documentary Bob Mackie: Naked Illusion, the superstar ... And legendary costume designer Bob admitted onlookers were "horrified" by Cher's dress.