An upcoming auction of Marilyn Monroe's personal items gives fans a further peek into the icon's fascinating life. Julien's Auctions has acquired pieces from Monroe's closet, including a Pucci blouse and a bottle of Chanel No. 5, and oddities such as a chest X-ray and her therapist's couch. Another highlight? Never-before-seen color slides from the set of Some Like It Hot (left). The auction takes place on June 26th and 27th in Las Vegas; all items will be available for live online bids at juliensauctions.com. Click on for a look at more of Monroe's never-before-seen photos from the set.