Martin Nolan, Co-Founder and Executive Director of Julien's Auctions tells PEOPLE about the rich history behind pieces ...

In fact, two performance outfits from Cher and Britney Spears did just that ... bra from her HBO Dream Within A Dream Tour television concert special. A reproduction of Spears’ matching ...

The star of the Julien’s Auction was Cher’s famous barely-there outfit she wore while singing ... 2001 HBO “Dream within a Dream Tour” concert special. Representing the Golden Age ...

The outfit, designed by legendary fashion maestro Bob Mackie, was worn by Cher in the video for her 1989 hit. The sexy look has since become one of the most recognisable in pop culture history.

Last but not least, there were the Cher pieces. Most notably, her "If I Could Turn Back Time" outfit, most recently worn at SNL50: The Homecoming Concert in Feb. "The winning bidder, a huge Cher ...