Every year, MINI taps a world renowned designer or artist to create a special MINI for the Life Ball, one of the largest AIDS charity events in the world. You can see some of those cars by <a href="https://www.motoringfile.com/tag/Life-Ball/">exploring our archives</a>. This year it's fashion designer Roberto Cavalli who'll create a one-of-a-kind MINI for auction at the 2013 event in Vienna.