Vintage BOB MACKIE Beaded Cocktail Dress Bob Mackie teams up with JCPenney on a showgirl worthy line of under $250 looks A mannequin wears a Bob Mackie designed butterfly motif gown, owned by Cher and worth an estimated $1,500 $2,000 at Sotheby's in central London, UK, Monday, September 4, 2006. (Photo by Graham Barclay Bloomberg This is a pivotal moment in my life my first bob mackie and WOW!!! Bob Mackie Dresses Worn by Cher and Tina Turner Head to Auction The New York Times Bob Mackie teams up with JCPenney on a showgirl worthy line of under $250 looks