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Diane Kruger at the Closing Ceremonies
wore an 18 karat white gold and yellow gold Chopard necklace with a 15.87 carat pear shaped yellow diamond and 48.36 carats of white diamonds and two diamond rings by the brand while accepting her Best Actress award at the festival.
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Izabel Goulart at The Double Lover Premiere
shimmered in a pair of 18 karat white gold Chopard earrings with 33.2 carats of sapphires and diamonds.
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Jasmine Tookes at the amFAR Gala
paired a sparkling Bulgari diamond snake necklace with her black sequin Zuhair Murad gown.
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Kirsten Dunst at The Beguiled Premiere
in dazzling Chopard 18-karat white gold earrings featuring 47.61 carats of sapphire stones.
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Hailey Baldwin at The Beguiled Premiere
in oversize twisted diamond hoop earrings.
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Elsa Hosk at The Beguiled Premiere
looked like a real-life Elsa from Frozen in dazzling pear-shaped hoop diamond earrings.
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Jessica Chastain at the 70th Anniversary Celebration
paired her vibrant Armani Privé gown with Piaget earrings, featuring rubies, pink sapphires, emeralds and diamonds, plus two cushion-cut sapphires from Madagascar.
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Charlize Theron at the 70th Anniversary Celebration
draped herself in Chopard diamonds, including oversized studs, a wrapped clutch, diamond-covered watch and round-cut ring.
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Marion Cotillard at the 70th Anniversary Celebration
wore a statement-making diamond Chopard choker necklace with her crystal-covered Armani Privé gown.
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Charlize Theron at the Chopard Trophy Photocall
dazzled in tons of Chopard diamonds, including long layered necklaces and diamond drop earrings with her ivory Prada gown.
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Nicole Kidman at The Killing Of A Sacred Deer Premiere
looked elegant as ever wearing a total of 74.44 carats of Harry Winston diamonds, including a standout 59.27 carat diamond bracelet set in platinum.
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Eva Longoria at The Killing Of A Sacred Deer Premiere
sparkled in her tiered Lorraine Schwartz drop earrings, which accessorized her Marchesa gown covered in multi-colored crystal embroidery.
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Sara Sampaio at the The Killing Of A Sacred Deer Premiere
in green and white diamond earrings plus two diamond sings by Messika Paris with her ruffled Balmain gown for the model's final appearance at the French film festival.
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Kendall Jenner at the Vanity Fair and Chopard Party
wore hoop earrings featuring two oversized pearls on each end of the hoop with her black ruffled skirt mini dress by Ronald van der Kemp.
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Rihanna at the Chopard Space Party
wore a combined total of 279.32 carats of Chopard jewels — which she designed with the company! — including a tsavorite, spessartine, turquoise, topaz, diamond and pink and yellow sapphire necklace, multicolored drop earrings and an 18 karat white gold ring with a cushion-shaped blue zircon stone.
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Bella Hadid at the Okja Premiere
chose Bulgari's signature snake-like Serpenti high jewelry necklace with 74.04 carats of pavé diamonds and a matching Serpenti snake 50.02 carat diamond and white gold ring.
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Winnie Harlow at the Chopard Space Party
added a diamond Chopard necklace featuring a 52.76 carat pear-shaped emerald to accessorize her red Zuhair Murad ballgown.
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Andie MacDowell at The Meyerowitz Stories Premiere
paired her Roberto Cavalli Couture purple and black gown with matching purple and pink gemstone drop earrings.
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Kendall Jenner at the Chopard Space Party
wore Chopard jewels, including a 18 karat white gold necklace with 59.38 carats of sapphires and a pair of 18 karat white gold sapphire and diamond earrings.
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Jessica Chastain at the Ismael's Ghosts Premiere
debuted Piaget's new Sun On Fire necklace, featuring 18-carat white gold and set with rubies and one five carat pear-shaped diamond.
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Emily Ratajkowski at the Ismael's Ghosts Premiere
in a huge pendant necklace from Bulgari's heritage collection featuring emeralds, rubies and diamonds, which she layered with another pink gold Bulgari necklace set with pearls, rubies and diamonds.
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Bella Hadid at the Ismael's Ghosts Premiere
in a platinum set necklace by Bulgari with 180.98 carat rectangular cushion cut sapphire, which she paired with a matching ring from the brand.
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Adriana Lima at the Loveless Premiere
chose a Chopard necklace featuring 163.85 carats of pear-shaped diamonds, as well as diamond earrings by the jeweler.
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Uma Thurman at the Ismael's Ghosts Premiere
accented her off-the-shoulder Atelier Versace gown with a pink gold Serpenti Bulgari necklace featuring over 40 carats of pavé cut diamonds.
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Rihanna at the Rihanna X Chopard Collection Dinner
showed off her new jewelry collaboration with Chopard by wearing a combined total of approximately 178 carats of diamonds, including an 18-karat white gold choker set with nearly 70 carats of diamonds and 21.77 carat round, pear, oval and marquise cut diamond earrings.
“I have always been in love with Chopard’s exquisite jewelry, so to actually design collections with them is something I still can't believe….to reveal the new pieces in Cannes is pretty amazing,” said Rihanna. “It was a really incredible process and I learned so much!”
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Julianne Moore at the Wonderstruck Premiere After Party
sparkled in white gold drop earrings by Chopard that featured 14.89 carats of diamonds.
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Sara Sampaio at the Ismael's Ghosts Premiere
paired her plunging crimson Zuhair Murad Couture ballgown with diamond chandeliers.
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Monica Bellucci at the Opening Ceremonies
wore an eye-catching sapphire and diamond pendant necklace to serve as the Mistress Of Ceremonies at the film festival.
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