Heidi Klum wore a voluminous organza gown by Elie Saab for the opening ceremony at the 78th Cannes Film Festival. PA
Heidi Klum wore a voluminous organza gown by Elie Saab for the opening ceremony at the 78th Cannes Film Festival. PA

Heidi Klum breaks Cannes Film Festival red carpet rules in Elie Saab gown