Fan Bingbing: What you need to know about the mysterious disappearance of China's top actress. It's as if Jennifer Lawrence or Scarlett Johansson went missing without a trace.

Actress Fan Bingbing attends the screening of 'Ash Is Purest White (Jiang Hu Er Nv)' during the 71st annual Cannes Film Festival at Palais des Festivals, May 11, 2018, in Cannes, France.