Fashion lovers everywhere will be able to bid on the modern day style icon's chic ensembles, from glamorous red carpet gowns to her casual and elegant daywear.
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The auction includes some of the former Spice Girl's most iconic fashion moments such as the white Dolce and Gabbana dress she wore to the 2003 MTV Music Awards, and the neon yellow Roberto Cavalli gown she chose for her and David's pre-World Cup party in 2006.
"Every single piece that I have put in to be sold brought back a lot of memories," revealed Victoria in a video posted on theoutnet.com, who are hosting the sale. "A lot of really, really happy memories of myself and David, of myself and the children, of different events that I've been to."
"A lot of these pieces have been made especially for me by the designers," she added. "These haven't all been bought off of a shelf."
The 40-year-old designer revealed that she was moved to help the charity following a trip to their charity base in South Africa.
"After spending just a few days with these remarkable women and learning more about the charity from (founder) Mitch (Bessen) and his lovely wife Annie Lennox, I wanted to do as much as I could," the star added. "It really was a life-changing experience; I've never experienced anything like it."
The sale will take place from August 20-25, however prospective buyers will need to register on the website for a chance to shop the collection.