What would it be like to own a piece of Twiggy, the Stones or Carla Bruni? Or if they aren't to your liking, choose from Hemingway, Frida Kahlo or Salvador Dalì. Artnet's Faces and Figures auction features 375 photos by 185 of the world's most renowned modern and contemporary artists such as Yousef Karsh, Bert Stern, Sante D'Orazio and Pamela Hanson. Take a peek at the bids and enjoy some of the best celebrity photos. The auction ends today.