Opening Ceremony & "Grace Of Monaco" Premiere - The 67th Annual Cannes Film FestivalAwe-inspiring. (All images courtesy of Getty)

red carpet for the opening night at Cannes was going swimmingly – Nicole Kidman swanned past like a glamorous sea-creature in Armani Prive, Blake Lively pausing for cameras like a bronzed goddess beamed down to earth in maroon Gucci – and then Elena Lenina happened.