Aishwarya Rai Bachchan at the premiere of ‘Youth’ in dove grey silk gazar layered ballgown with crystal, feather and perspex embellishment (Autumn/Winter 2014-15)

Movies may be the main focus at the Cannes Film Festival, but the event is also a great opportunity for celebrities to work some serious fashion glamour - with this year's red carpet seeing more than a few looks from haute couture fashion house Ralph & Russo. Click to see who wore what at the recently concluded 68th Cannes Film Festival.

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Photo 1 of 12 Aishwarya Rai Bachchan at the premiere of ‘Youth’ in dove grey silk gazar layered ballgown with crystal, feather and perspex embellishment (Autumn/Winter 2014-15)
Photo 2 of 12 Hanaa Ben Abdesslem
Photo 3 of 12 Fan Bingbing at the opening ceremony in custom blush pink silk crêpe gown with crystal and metallic silk thread embroidery, inspired by 18th century Chinese motifs
Photo 4 of 12 Fan Bingbing
Photo 5 of 12 Cheryl Fernandez-Versini at the premiere of ‘Irrational Man’ in custom mocha silk crêpe gown with hand-embroidered tulle bodice (an adaptation from Spring/Summer 2015)
Photo 6 of 12 Cheryl Fernandez-Versini
Photo 7 of 12 Fan Bingbing in Ralph & Russo Spring 2015 Couture
Photo 8 of 12 Andie MacDowell at the premiere of ‘The Sea of Trees’ in blush pink tulle gown with floral embellishment (Spring/Summer 2015)
Photo 9 of 12 Sonam Kapoor at the premiere of ‘The Sea of Trees’ in royal blue silk gazar and crêpe off-shoulder ballgown with draped bustle (Spring/Summer 2014)
Photo 10 of 12 Erin O’Connor at the premiere of ‘Carol’ in raspberry silk crêpe pencil gown with structured silk gazar bow and bustle (Spring/Summer 2014)
Photo 11 of 12 Jourdan Dunn at the premiere of ‘The Little Prince’ in black tulle strapless fishtail gown with floral crystal embellishment (Spring/Summer 2015)
Photo 12 of 12 Liu Wen at the premiere of ‘The Little Prince’ in ice blue silk pencil peplum gown with pearl and crystal embellishment (Autumn/Winter 2014-15)