Also featured on our list of the Top 10 Most Expensive Living British Artists 2015, Bridget Riley’s Op Art masterpiece Chant 2 (1967), which sold for $5.1 million at Sotheby’s London in 2008 ...

When American artist Cindy Sherman’s Untitled #96, a 1981 print of Sherman in a pumpkin-colored sweater as a lovesick woman lying on the kitchen floor, sold for $3.9 million at Christie’s New ...