Olivia Newton-John will be auctioning off her most iconic Grease costumes for charity. Newton-John, 70, is parting with over 200 outfits and other memorabilia from the beloved 1978 musical hit and other big moments during her storied career. Julien’s Auctions will begin live bidding on Nov. 2. Newton-John, who has been battling breast cancer will donate a portion of the proceeds the Olivia Newton-John Cancer Wellness & Research Centre in Melbourne, Australia. Scroll through Radar’s gallery to see some items up for sale. ↓