Halle Berry's Sheer Crystal Encrusted Gucci Dress Features a Daring Open Back Paris Jackson's see through gown breaks Cannes naked dress ban, plus 17 celebs who've broken red carpet rules The Cannes Film Festival is here, and there's a new dress code this time: No nudity. That means no peeks of nipple or side boob, and definitely no super sheer fabrics. And yes, Kendall Jenner wears sheer mini dress at Cannes