News ‘Dress too tight’: Elle Fanning reveals why she fainted at Cannes Film Festival May 21, 2019May 21, 2019 Cydney Henderson, USA TODAY Comments Off on ‘Dress too tight’: Elle Fanning reveals why she fainted at Cannes Film Festival Elle Fanning reassured everyone that she's OK after suffering a medical emergency at the Cannes Film Festival Monday evening. The culprit? Her gown.