Zendaya turns heads in an ochre leather Balmain gown paired with a 93-carat necklace from Bulgari’s Magnifica high jewellery collection for the screening of Dune. (Image credit: MIGUEL MEDINA/AFP)

Dakota Johnson dazzles in a sheer Gucci dress at the screening of The Lost Daughter. (MIGUEL MEDINA/AFP)

Kristen Stewart looks fierce in a tweed Chanel jumpsuit at the photocall for the film Spencer. (Miguel MEDINA/AFP)

Timothée Chalamet rocks a black Haider Ackerman suit at the screening of Dune. (MIGUEL MEDINA / AFP)

Cynthia Erivo in a dramatic Schiaparelli Couture dress at the screening of Dune. (MIGUEL MEDINA/AFP)

Penélope Cruz looks ethereal in a white Chanel dress at the screening of Competencia Oficial (Official Competition). (MIGUEL MEDINA/AFP)

Zoe Saldana shines in a red sequinned Dolce & Gabbana gown at the screening of E stata la mano di Dio (The Hand of God). (FILIPPO MONTEFORTE/AFP)

Tiffany Haddish stuns in a colour-blocked Christian Siriano gown matched with Pomellato jewellery at the screening of The Card Counter. (FILIPPO MONTEFORTE/AFP)

Jake Gyllenhaal, in an oversized Valentino suit, supports sister Maggie Gyllenhaal, wearing a Prada gown, at the screening of her directorial debut film The Lost Daughter. (MIGUEL MEDINA/AFP)

Jessica Chastain is a vision in a scarlet Versace dress at the screening of Scenes from a Marriage. (MIGUEL MEDINA/AFP)

Anya Taylor-Joy stuns as she attends a photocall for the film in a printed Rodarte dress accessorised with Tiffany & Co. jewellery. (FILIPPO MONTEFORTE/AFP)

Benedict Cumberbatch looks dashing in a black tuxedo at the screening of The Power of the Dog. (MIGUEL MEDINA/AFP)

Helen Mirren is stunning in a silver Dolce & Gabbana at the opening ceremony of the festival and the screening of the film Madres Paralelas (Parallel Mothers). (FILIPPO MONTEFORTE/AFP)

Kate Hudson is bold and beautiful in a bright red sheer Valentino gown with a plunging neckline as she arrives for the screening of Mona Lisa and the Blood Moon. (MIGUEL MEDINA/AFP)