Every head-turning look from amfAR's 2016 Gala in Cannes

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It was a night of glitz and glamour for celebrities in Cap d'Antibes, France. The stars stepped out for amfAR's annual Cinema Against AIDS Gala. From Katy Perry to Heidi Klum, the celebs dazzled on the red carpet. Click through to see the gorgeous looks from the star-studded charity event.

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Heidi Klum was a ray of sunshine at the event wearing a plunging yellow gown showing off her toned figure. The model completed her look with a turquoise statement necklace.
Photo: Andreas Rentz/WireImage

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Alessandra Ambrosio smoldered on the red carpet wearing a plunging black Redemption gown that featured a thigh-high slit. The VS Angel accessorized her sultry look with Boucheron jewels and Jimmy Choo Pearl Sandals.
Photo: ALBERTO PIZZOLI/AFP/Getty Images

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It was date night for Victoria's Secret Angel Adriana Lima and her boyfriend Joe Thomas. The supermodel stepped out to the gala wearing a long-sleeved black satin gown and 38-carat diamond chandler earrings by Chopard.
Photo: Gisela Schober/Getty Images for amfAR

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Uma Thurman was a vision in pink wearing a one-shoulder chiffon gown featuring a heart appliqué on the strap.
Photo: Andreas Rentz/WireImage

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Simply breathtaking. Mischa Barton donned a purple embellished gown and had her dazzling jewels on full display.
Photo: Andreas Rentz/WireImage

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Karlie Kloss stunned in an off-the shoulder black velvet gown by Marchessa, which she paired with a bold red lip to attend amfAR's 23rd Cinema Against AIDS Gala held at the Hotel du Cap-Eden-Roc.
Photo: Getty Images

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That's Dame Helen Mirren to you! The Oscar-winning actress took to the amfAR Gala carpet in a black and gold embellished number. Helen completed her look with Harry Winston jewels and a gold Jimmy Choo clutch.
Photo: WireImage

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Orlando Bloom kept it sharp in a suit and bow tie at the gala, where girlfriend Katy Perry was in attendance.
Photo: Dave M. Benett/amfAR16/Dave Benett/WireImage

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Just call them the ladies in black. Soo Joo Park, Doutzen Kroes, Lara Stone, Barbara Palvin, Karlie Kloss and Irina Shayk assembled together for an epic supermodel photo.
Photo: Mike Marsland/WireImage

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Jourdan Dunn looked stylish in a ruffled one-shoulder black gown with a thigh-high slit.
Photo: Dave M. Benett/amfAR16/Dave Benett/WireImage

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Heiress Paris Hilton glistened in a silver body-hugging gown with netted detailing.
Photo: Andreas Rentz/WireImage

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Katy Perry channeled her inner red dancing lady emoji wearing a floral lace Marchesa gown that featured rose petals throughout. The singer paired her red hot look with a bold red lip and Harry Winston jewels.
Photo: Gisela Schober/Getty Images for amfAR

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Models just want to have fun. Karlie Kloss and Irina Shayk laughed it up at the gala being held at the Hotel du Cap-Eden-Roc.
Photo: George Pimentel/amfAR16/WireImage

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Model Petra Nemcova was gone with the wind fabulous in an ombré pink-and-red Georges Chakra Couture gown.
Photo: Gisela Schober/Getty Images for amfAR

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Karolina Kurkova kept it chic in a lilac Giorgio Armani Privé mini along with a statement necklace and diamond hoop earrings by Harry Winston.
Photo: Gisela Schober/Getty Images for amfAR

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Elle Fanning was a vision in her statement, peacock-inspired gown and gold body chain.
Photo: Andreas Rentz/WireImage

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Chanel Iman attended the charity event donning an off-the-shoulder, silver netted gown by Marchesa.
Photo: ALBERTO PIZZOLI/AFP/Getty Images

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Bella Hadid attended the star-studded gala in an elegant black cowl gown that she paired with multicolored jewels.
Photo: Andreas Rentz/WireImage

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Ambassador of amfAR Milla Jovovich dazzled in a v-neck silver gown featuring sheer panels of circular cutouts.
Photo: Andreas Rentz/WireImage

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Talk about a supermodel moment. Alessandra Ambrosio and Heidi Klum posed together showing off their enviable toned limbs at the 2016 Gala.
Photo: Gisela Schober/Getty Images for amfAR

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Rosie Huntington-Whiteley sparkled in a strapless Galvan for Opening Ceremony gown that features a Swarovski crystal fabric corset. The blonde bombshell accessorized her look with fringe diamond earrings by Chanel Fine Jewelry.
Photo: Gisela Schober/Getty Images for amfAR

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Irina Shayk hit the carpet in multicolored bejeweled black gown.
Photo: Kevin Tachman/amfAR16/WireImage

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Natasha Poly looked fierce in sheer lace gown featuring bell sleeves paired with a striking red lip.
Photo: Pascal Le Segretain/WireImage

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Vanessa Paradis made a fashion statement in a sheer Chanel Haute Couture gown that featured glittering square embroidery.
Photo: Dave M. Benett/amfAR16/Dave Benett/WireImage