Cannes 2015: The best-dressed stars on the film festival’s red carpet

May 13, 2015: Sienna Miller wears a shoulder-baring dress by Balenciaga from the Fall 2015 collection to the jury photocall.

May 13, 2015: Julianne Moore wears a silk and tweed dress by Chanel from the Fall 2015 collection upon her arrival in Cannes.

May 13, 2015: Doutzen Kroes wears a white gown with one shoulder and cut out details from the Atelier Versace Spring 2015 collection to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Lupita Nyong’o wears a bespoke jade-coloured chiffon gown with cape detail by Gucci to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Fan Bingbing wears a pink cape gown with 18th-century Chinese floral motifs by Ralph & Russo teamed with emerald Chopard jewels and a Louis Vuitton clutch to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Karlie Kloss wears a crystal mesh jumpsuit with an asymmetrical neckline and white bandeau top from the Atelier Versace Fall 2014 collection accessorized with silver Versace pumps to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Naomi Watts wears a bedazzling and feathered gown by Elie Saab from the Spring 2015 Couture collection to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Isabella Rossellini wears a white cape gown by Stella McCartney to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Liya Kebede wears a metallic mini dress by Louis Vuitton from the Fall 2015 collection to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Angelababy wears a floral dress with cut-outs by Dior from the Spring 2015 Couture collection to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Julianne Moore wears an embellished black and grey gown by Armani Privé to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Natalie Portman wears a strapless red column dress by Dior to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Sienna Miller wears a one-shoulder, navy blue Lanvin gown paired with Atelier Swarovski jewels to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Sophie Marceau wears a long black tulle dress embroidered with silver sequins with a matching skirt by Chanel from the Fall 2011 Couture collection to the opening ceremony and premiere of Standing Tall.

May 13, 2015: Naomi Watts wears a heavily beaded halter dress by Altuzarra from the Fall 2015 collection teamed with Bulgari jewels to the opening ceremony dinner during the 68th annual Cannes Film Festival.

May 14, 2015: Salma Hayek wears a rose print dress by Alexander McQueen from the Fall 2015 collection at the Il Racconto Dei Racconti (Tale of Tales) photocall.

May 14, 2015: Charlize Theron wears a little black dress by Valentino from the Fall 2015 collection to the Mad Max: Fury Road photocall.

May 14, 2015: Zoe Kravitz wears a white gown Valentino from the Sala Bianca 945 Couture collection paired wit a gold clutch from the designer label to the Mad Max: Fury Road premiere.

May 14, 2015: Julianne Moore wears a Bordeaux red velvet gown by Givenchy teamed with Chopard jewellery to the Mad Max: Fury Road premiere.

May 14, 2015: Charlize Theron wears a yellow couture gown by Dior paired with Chopard jewels to the Mad Max: Fury Road premiere.

May 14, 2015: Liya Kebede wears a textured, sequinned top and a sheer black skirt by Proenza Schouler from the Fall 2015 collection to the Mad Max: Fury Road premiere.

May 14, 2015: Naomi Watts wears a black floral lace gown by Ralph Lauren from the Fall 2015 collection teamed with a Bulgari necklace to the Mad Max: Fury Road premiere.

May 14, 2015: Salma Hayek wears black and gold flamenco-spirited dress by Alexander McQueen from the Resort 2013 collection to the premiere of Il Racconto Dei Racconti (‘Tale Of Tales’).

May 14, 2015: Miranda Kerr wears a pink gown with plunging V neckline by Emanuel Ungaro accessorized with Lorraine Schwartz jewels, Swarovski clutch and Giuseppe Zanotti heels to the Magnum Pink and Black Party.

May 14, 2015: Sienna Miller wears a little black dress with deep-V neckline by Prada from the Pre-Fall 2015 collection teamed with Atelier Swarovski jewels to the Hollywood Reporter and Swarovski party.

May 15, 2015: Léa Seydoux wears a black and charcoal jersey dress by Prada to The Lobster photocall.

May 15, 2015: Rachel Weisz wears a black Narciso Rodriguez jumpsuit from the Fall 2015 collection to the The Lobsterphotocall.

May 15, 2015: Julianne Moore wears a lavender tweed dress by Chanel from the Winter 2014 Couture collection during the Cannes Film Festival.

May 15, 2015 Emma Stone wears a black lace dress by Oscar de la Renta from the Pre-Fall 2015 collection paired with patent leather Christian Louboutin heels to the Irrational Man photocall.

May 15, 2015: Adèle Exarchopoulos wears a floral brocade and lace embellished gown by Louis Vuitton from the Fall 2015 collection to the Irrational Man premiere.

May 15, 2015: Melissa George wears a sheer black shirt, jacquard shorts and matching jacket all from the Schiaparelli Spring 2015 Couture collection to the premiere of Irrational Man.

May 15, 2015: Emma Stone wears a bespoke pale green silk and lace dress by Dior to the premiere of Irrational Man.

May 15, 2015: Rachel Weisz wears a white gown by Louis Vuitton inspired by the Fall 2015 collection to the premiere of The Lobster.

May 15, 2015: Léa Seydoux wears a powder-blue silk gown by Miu Miu accessorized with Chopard drop earrings to the The Lobster premiere.

May 15, 2015: Fan Bingbing wears an off-the-shoulder white gown by Ralph & Russo from the Spring 2015 Couture collection paired with Chopard jewellery to the Chopard Trophy party.

May 15, 2015: Julianne Moore wears a long lace and silk black dress by Chanel from the Pre-Fall 2015 collection paired with Chopard sapphire earrings to the Chopard Trophy party.

May 16, 2015: Diane Kruger wears a sky-blue mini dress from the Dolce & Gabbana Fall 2015 collection paired with nude Jimmy Choo sandals to the Disorder photocall.

May 16, 2015: Naomi Watts wears a multi-coloured, embroidered dress by Peter Pilotto paired with red Jimmy Choo sandals and Anita Ko jewellery to The Sea Of Trees.

May 16, 2015: Natalie Portman wears a blue and black silk strapless dress by Dior from the Spring 2015 Couture collection to the A Tale of Love and Darkness premiere.

May 16, 2015: Li Bingbing wears an embellished baby-blue dress by Zuhair Murad from the Spring 2015 Couture collection paired with a Jimmy Choo clutch at The Sea Of Trees premiere.

May 16, 2015: Jane Fonda wears a blue, form-fitting dress by Versace from the Spring 2015 collection to The Sea Of Trees premiere.

May 16, 2015: Sienna Miller wears a colourful patchwork-designed dress by Valentino from the Spring 2015 Couture collection to The Sea Of Trees premiere.

May 16, 2015: Andie MacDowell wears a sheer, embroidered gown by Ralph & Russo from the Spring 2015 Couture collection to The Sea Of Trees premiere.

May 16, 2015: Naomi Watts wears a gray, tier-layered gown by Armani Privé from the Spring 2015 collection to the The Sea Of Trees premiere.

May 16, 2015: Diane Kruger wears a blue silk halter gown featuring embellished crystals and glass beads by Prada accessorized with a matching clutch to the Maryland premiere.

May 17, 2015: Cate Blanchett wears a sheer black ensemble by Alexander McQueen from the Fall 2015 collection to the Carol photocall.

May 17, 2015: Rooney Mara wears a white fit-and-flare dress by Alexander McQueen from the Pre-Fall 2015 collection paired with Stuart Weitzman sandals to the Carol photocall.

May 17, 2015: Natalie Portman wears a sheer black mini dress by Rodarte from the Fall 2015 dress to the A Tale Of Love And Darknes.

May 17, 2015: Aishwarya Rai wears an emerald green dress by Elie Saab to the Carol premiere.

May 17, 2015: Natashy Poly wears a black and white ball gown from the Atelier Versace Fall 2014 collection to the premiere of Carol.

May 17, 2015: Cate Blanchett wears a hallucinogenic printed gown by Giles from the Fall 2015 collection to the Carolpremiere.

May 17, 2015: Poppy Delevingne wears a forest-green gown by Burberry Prorsum paired with Chopard necklace to the premiere of Carol.

May 17, 2015: Rooney Mara wears an ivory-white halter gown by Rochas from the Fall 2005 collection to the premiere of Carol.

May 17, 2015: Sienna Miller wears a velvet star-print black dress and cape by Sonia Rykiel from the Pre-Fall 2015 collection teamed with a Bulgari clutch and choker necklace to the premiere of Carol.

May 18, 2015: Amy Poehler wears a strapless, floor-length dress by Stella McCartney to the premiere of Inside Out.

May 18, 2015: Go Ah Sung wears a two-piece embroidered ensemble by Chanel from the Spring 2014 Couture collection to the O Piseu (Office) premiere

May 18, 2015: Uma Thurman wears a light blue silk dress with an off-shoulder neckline by Prada to the Chopard party.

May 18, 2015: Poppy Delevingne wears a long pink dress with feathered floral motifs by Chanel from the Spring 2013 Couture collection to the Chopard Party.

May 19, 2015: Emily Blunt wears a colourful dress by Peter Pilotto from the Fall 2015 collection paired with mustard Jimmy Choo sandals and Jacquie Aiche jewellery to the Sicario photocall.

May 19, 2015: Cate Blanchett wears a floor-length black gown by Armani Privé from the Spring 2015 collection to the Sicario premiere.

May 19, 2015: Natalie Portman wears a jade-green dress with plunging neckline by Lanvin to the Sicario premiere.

May 19, 2015: Emily Blunt wears a studded metallic gown by Stella McCartney paired with emerald Anna Hu Haute Joaillerie earrings to the Sicario premiere.

May 19, 2015: Alicia Vikander wears an olive green dress by Louis Vuitton from the Resort 2016 collection to the Sicario premiere.

May 19, 2015: Doutzen Kroes wears a navy blue pantsuit to the Independent Filmmaker Project Calvin Klein party.

May 19, 2015: Natalia Vodianova wears a long black dress to the Independent Filmmaker Project Calvin Klein party.

May 19, 2015: Rachel Weisz wears a red halter gown by Calvin Klein to the Independent Filmmaker Project Calvin Klein party.

May 19, 2015: Sienna Miller wears a shimmery dress by Calvin Klein to the Independent Filmmaker Project Calvin Klein party.

May 19, 2015: Emily Blunt wears an ivory-white halter gown by Calvin Klein to the Independent Filmmaker Project Calvin Klein party.

May 19, 2015: Karlie Kloss wears a blue strapless gown by Oscar de la Renta featuring black floral appliqués to the De Grisogono Divine Dinner Party.

May 19, 2015: Joan Smalls wears a black maxi dress from the Givenchy Couture collection to the De Grisogono Divine Dinner Party.

May 19, 2015: Cara Delevingne wears an ivory-white hi-low dress by Saint Laurent to the De Grisogono Divine Dinner Party.

May 20, 2015: Jane Fonda wears a white pantsuit accessorized with a scarf to the Youth photocall.

May 20, 2015: Rachel Weisz wears a sparkly shift dress to the Youth photocall.

May 20, 2015: Kendall Jenner wears a two-piece black ensemble by Alaïa to the Youth premiere.

May 20, 2015: Soo-Joo Park wears a white lace peplum gown by Oscar de la Renta from the Spring 2015 collection to the Youth premiere.

May 20, 2015: Nikki Reed wears a navy blue column gown by Azzaro from the Spring 2015 Couture collection to the Youth premiere.

May 20, 2015: Lara Stone wears a vintage bronze Gianni Versace gown to the Youth premiere.

May 20, 2015: Chanel Iman wears a strapless red gown by Donna Karan Atelier to the Youth premiere.

May 20, 2015: Karlie Kloss wears an embellished sleeveless gown by Louis Vuitton to the Youth premiere.

May 20, 2015: Anja Rubik wears a black long-sleeved gown with sheer panelling and black net Swarovski studded overlay from the Atelier Versace Spring 2015 collection to the Youth premiere.

May 20, 2015: Joan Smalls wears a two-piece white ensemble by Alaïa to the Youth premiere.

May 20, 2015: Doutzen Kroes wears a halter gown by Mugler from the Pre-Fall 2015 collection to the Youth premiere.

May 20, 2015: Rachel Weisz wears a green satin gown with a keyhole neckline to the Youth premiere.

May 20, 2015: Barbara Palvin wears a black gown by Versace to the Youth premiere.

May 20, 2015: Cara Delevingne wears a black jacket and a matching crop top with a white wool skirt by Chanel from the Spring 2015 Couture collection to the Vanity Fair France and Chanel dinner.

May 20, 2015: Natasha Poly wears a blue cotton dress by Chanel from the Cruise 2014 collection to the Vanity Fair France and Chanel dinner.

May 20, 2015: Soo Joo Park wears an asymmetrical white silk dress with mulicolour sequins by Chanel from the Spring 2015 Couture collection to the Vanity Fair France and Chanel dinner.

May 20, 2015: Barbara Palvin wears a sleeveless embellished dress with a high collar by Chanel from the Fall 2014 Couture collection to the Vanity Fair France and Chanel dinner.

May 21, 2015: Sienna Miller wears a metallic gold, hand-beaded dress by Ralph Lauren to the 2015 amFar Gala.

May 21, 2015: Doutzen Kroes wears a red wool dress with a large bow in the back by Maison Margiela from the Spring 2015 collection to the 2015 amFar Gala.

May 21, 2015: Marion Cotillard wears a strapless green dress by Jean Paul Gaultier from the Spring 2015 Couture collection paired with Chopard jewels to the 2015 amFar Gala.

May 21, 2015: Aishwarya Rai wears a purple gown with floral embellishments by Elie Saab from the Spring 2014 Couture collection to the 2015 amFar Gala.

May 21, 2015: Chanel Iman wears a nude-coloured dress with white flora appliqué by Zuhair Murad from the Spring 2015 collection to the 2015 amFar Gala.

May 21, 2015: Rita Ora wears a red strapless dress by Marchesa from the Fall 2015 collection styled with Giuseppe Zanotti heeled sandals to the 2015 amFar Gala.

May 21, 2015: Eva Longoria wears a sky-blue gown by Georges Hobeika from the Spring 2015 Couture collection to the 2015 amFar Gala.

May 21, 2015: Gigi Hadid wears a cream silk dress with chocker detail and plunging neckline by Tom Ford to the 2015 amFar Gala.

May 21, 2015: Eva Herzigová wears a sparkly dress by Dior to the 2015 amFar Gala.

May 21, 2015: Joan Smalls wears a long black dress with plunging neckline by Givenchy to the 2015 amFar Gala.

May 21, 2015: Jourdan Dunn wears a blue gown by Vera Wang to the 2015 amFar Gala.

May 21, 2015: Michelle Rodriguez wears a strapless red gown by Romona Keveza paired with a Chopard necklace to the 2015 amFar gala.

May 21, 2015: Karlie Kloss wears an embroidered sleeveless gown with choker detail by Tom Ford to the 2015 amFar Gala.

May 21, 2015: Kendall Jenner wears a bespoke purple gown by Calvin Klein to the 2015 amFar Gala.

May 21, 2015: Melissa George wears a black tulle gown by Schiaparelli from the Spring 2015 Couture collection to the 2015 amFar Gala.

May 21, 2015: Diane Kruger wears a black blouse with feathered skirt by Chanel from the Pre-Fall 2014 collection to the 2015 amFar Gala.

May 21, 2015: Alicia Vikander wears a two-piece look by Louis Vuitton from the Resort 2016 collection to the 2015 amfAR Gala.

May 21, 2015: Soo Joo Park wears a blue sequinned mini dress by Chanel from the Fall 2013 Couture collection to the 2015 amFar Gala.

May 22, 2015: Marion Cotillard wears a black and blue, shoulder-baring gown by Dior paired with a Chopard handpiece to the Little Prince (Le Petit Prince) premiere.

May 22, 2015: Jourdan Dunn wears a sheer black gown with floral embroidery by Ralph & Russo from the Spring 2015 Couture collection paired with Chopard jewellery and a Christian Louboutin clutc to the Little Prince (Le Petit Prince) premiere.

May 22, 2015: Liu Wen wears a silver embellished dress by Ralph & Russo from the Fall 2014 Couture collection to the Little Prince (Le Petit Prince) premiere.

May 22, 2015: Marion Cotillard wears a black and blue silk dress by Dior from the Resort 2015 collection to the Dior dinner party.

May 22, 2015: Eva Herzigova wears a black knit dress by Dior to the Dior dinner party.

May 23, 2015: Marion Cotillard wears a colourful striped jumpsuit by Ulyana Sergeenko to the Macbeth photocall.

May 23, 2015: Sienna Miller wears a mauve tiered gown by Gucci paired with Bulgari earrings and teal clutch to the premiere of Macbeth.

May 23, 2015: Marion Cotillard wears an embroidered navy and orange silk dress by Dior from the Spring 2015 Couture collection teamed with jewels by Chopard to the premiere of Macbeth.

May 24, 2015: Sienna Miller wears a cerulean blue gown with a leather bodice and lace skirt by Gucci paired with jewels by Atelier Swarovski to the closing ceremony and premiere of La Glace Et Le Ciel.