The Jean Paul Gaultier-designed stage costume is being joined by a whip used by Harrison Ford, though auctioneer Christieās International makes no connection between the two. Madonna wore Gaultierās green-and-white corset for the 1990 āBlond Ambitionā tour while performing three songs, including āNow Iām Following You.ā Its formal estimate is 10,000 pounds ($15,930) to 15,000 pounds. The Nov. 29 Pop memorabilia sale will also include a black Lycra two-piece valued at as much as 12,000 pounds and labeled āTrashy,ā that the star wore to perform the song āVogue.ā A green silk corset designed by Jean Paul Gaultier for the "Blond Ambition" tour by Madonna in 1990. It will be included in a Pop culture auction held by Christie's International in London on Nov. 29. Source: Christie's Images Ltd. 2012 via Bloomberg.