Rashida Jones's silk-wool gown was by Prada, embellished with floral-motif crystals and sequins. Picture / Supplied
Actor and musician Janelle Monae, who featured in Best Picture Moonlight, wore a dramatic Alexandre Vauthier Haute Couture gown, accessorised with belt and headband - to the Vanity Fair after party.
Holding the ultimate Oscar night accessory for her Best Actress win, Emma Stone changed into a slip dress and jacket by Givenchy for the Vanity Fair after party. Picture / Getty
Blackish star Tracee Ellis Ross brings some joy to the red carpet in a dramatic gown by Zuhair Murad. Picture / Getty
Sarah Paulson channels the 80s - a key trend for the season - in a dramatic gown by Ronald Van der Kemp. Picture / Getty
Ruth Negga changed from her dramatic red Valentino gown for the red carpet into this strapless number by Oscar de la Renta. Picture / Getty
Rooney Mara chooses a ruffled blush dress from the H&M Conscious Collection. Picture / Getty
Sia arrives at the Vanity Fair after party in a custom orange suit by Giorgio Armani...and signature wig. Picture / Supplied
With gorgeous bouncy curls, Halle Berry walked the red carpet at the Vanity Fair party in a chainmail dress by Versace. Picture / Getty
Best Supporting Actress Viola Davis changed from her striking red Armani Prive gown for the awards into a white suit by Brandon Maxwell with a pair of Stella McCartney's 'Elyse' flatforms. Picture / Getty
A refreshing change from a sea of gowns, actor and model Liberty Ross chose a tuxedo with silver jacket for the Vanity Fair party. Picture / Getty
Wearing a gold 80s-inspired Gucci gown on the Oscars red carpet, Dakota Johnson stuck with the brand for the parties in this silk dress with pink satin bow. Picture / Getty
Jared Leto keeps it casual in an embroidered kimono, silk trousers and loafers, all by Gucci. Picture / Supplied
Ashton Sanders - who stars in the new Calvin Klein Underwear campaign alongside his Moonlight co-stars - changed from his CK by Raf Simons suit into the coolest after party look - coat, plaid skirt and Sk8-Hi Vans. Picture / Getty