A young Mona Lisa?

We all know Mona Lisa and her classic smile, but it looks as if Leonardo captured her once-in-a-lifetime smile TWICE! It was originally thought to be a later copy, but recent analysis is showing that the Isleworth Mona Lisa is proving to be an authentic portrait of the woman when she was much younger, as reported in the Huffington Post...

Read all about her here:
http://www.huffingtonpost.com/2013/02/14/isleworth-mona-lisa-declared-authentic-swiss-institute-real-painting_n_2685047.html