From sheer tops and long trains to extravagant hairstyles and avant-garde creations, take a look back at some of the most eye-catching ensembles to hit the Cannes Film Festival red carpet over the years.

While nudity was never previously endorsed at the festival, Cannes updated its dress policy on the eve of its 78th edition to read that “nudity is prohibited on the red carpet, as well as in any other area of the festival.

There's complex etiquette and a rich history behind the French film festival's red-carpet ban of "naked" or "voluminous" dressing.