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.

That doesn't mean, however, that every outfit she's sported over the years has been a winner. Cher has rocked many daring outfits and worn red-carpet dresses that left little to the imagination.

Bob Mackie sometimes wishes he could turn back time. The costume designer, who first dressed Cher in 1967, has created some of the singer’s most iconic looks over the years. However, there is ...