Secrets of the Mona Lisa The Mona Lisa: bewitching, seductive, world famous. In the minds of millions, she is the ultimate work of art. Yet behind the enigmatic smile, she remains a mystery, fuelling endless speculation and theories. But is that all about to change? Is the world's most famous painting finally giving up its secrets? Presented by Andrew Graham-Dixon, this landmark film uses new evidence to investigate the truth behind her identity and where she lived. It decodes centuries-old documents and uses state-of-the-art technology that could unlock the long-hidden truths of history's most iconic work of art.