Queen of Pop Madonna's iconic black bustier that she wore on her 'Who's That Girl' tour in 1987 has sold at an auction for 45,000 pounds. The custom-made piece,created by Los Angeles-based store Trashy Lingerie,was worn with fishnet tights by the 53-year-old singer during her 1987 'Who's That Girl' tour,and went under the hammer in China,reported MTV online. Previously displayed at the Rock and Roll Hall of Fame in Ohio and The Frederick's of Hollywood Museum in Los Angeles,the garment was sold by Beverly Hills-based auctioneers Julien's Auctions at the Ponte resort in Macau,China,alongside 23 other pieces of Madonna memorabilia. Among the other items on sale were a signed copy of the star's risque 1992 'Sex' book and a recording of the song 'Simon Says' alongside her band Emmy and the Emmy's,with the auction drawing in a total of over 62,000 pounds. "When you're buying these things,you're buying a memory," said Darren Julien,owner of Julien's Auctions. The outfit was specially selected for Madonna's first world tour,which took place 24 years ago,by her stylist and costume designer Martha Stewart.