British-US actress Mischa Barton poses during a photocall as she arrives to attend the De Grisogono Party on the sidelines of the 70th Cannes Film Festival, at the Cap-Eden-Roc hotel in Antibes, near Cannes, southeastern France, on May 23, 2017.  / AFP PHOTO / Yann COATSALIOU        (Photo credit should read YANN COATSALIOU/AFP via Getty Images)