Switching the red carpet for a green and white one, the Hollywood A-listers were out in force to celebrate the evening's wins. See which stars nailed the after party fashion.
The Academy Awards might be over, but the party was only just getting started in Hollywood immediately after as A-listers from all corners of Los Angeles flocked to the Vanity Fair Oscars Party.
With the world's press camped out on the signature green and white carpet, Vanity Fair kicked the evening off in style giving the swathes of glittering celebrities a chance to swill champagne and dance the night away with this year's winners.
As much as we love the grandiose style of the main ceremony, it's in the after party that designers really get the chance to let loose with their creativity. So lest we miss out on even more fashion highlights - Alicia we're looking at you - check out the best sartorial moments from Vanity Fair's Oscars after party...
This Best Actress winner knows how to party - after scooping her award, Brie swapped her heels for white Converse to enjoy the celebrations.
You can never have too many sparkles, as demonstrated by the wonderful Joan Collins. Keen fashion watchers may have noticed that this is an almost-identical white version to her dress last year.
The Best Supporting Actress winner swaps from princess-perfect yellow to a sultry black Louis Vuitton gown.
Does this woman ever age?! Naomi Campbell exudes glamour in this asymmetric Atelier Versace dress.
The Best Supporting Actress nominee took to the after-party red carpet in a pink Naeem Khan gown that flaunted her toned shoulders perfectly.
We didn't see too much of her on the Oscars arrivals red carpet, but Jennifer certainly made sure she was spotted at the after party in this two-piece crop top and skirt. She might not have taken home the Oscar for her role in Joy, but she still made plenty of headlines thanks to her sultry fashion choices.
Lady Gaga and Elton John
Gaga brought the audience to tears with an empowering performance of 'Til It Happens to You', her Oscar-nominated song about sexual assault.
A lesson to us all in knowing what suits your shape and sticking to it. Helena often opts for a strapless gown, but this metallic style with flattering waist draping could just be one of her best looks yet.
Who says you have to wear a frock on the red carpet? Elizabeth Banks shows us how it's done in this caped Ralph & Russo jumpsuit.
Taking maternity chic to new heights, Anne looked flawless in her Naeem Khan gown.
Kate opted for full-on sexy in this Grecian-inspired Maria Lucia Hohan gown. The actress, who is co-founder of fitness-wear business Fabletics, certainly knows how to advertise - her toned body is all the inspiration we need to head to the gym!
The Star Wars actress puts a floral twist on this season's monochrome trend in Giambattista Valli Haute Couture.
It's been 16 years since she won the Best Actress Oscar for her role in Million Dollar Baby, but Hilary Swank is still turning heads on the red carpet. This two-tone long-sleeved dress features every celeb's favourite red carpet choice - the leg split.
We love Minnie's gorgeous deep plunge floral gown. In a sea of simplistic gowns, her floral dress by Naeem Khan made a refreshing change. One for the best dressed lists.
This curve-creating gown couldn't have been more perfect for Amy. She was pictured dancing the night away with her shoes in her hand later in the evening - proof that us ladies are all the same at heart!
Another one for the deep plunge, Game of Thrones actress Emilia's Mui Mui dress was spring perfection. Add into the mix and oversized bow and Christian Louboutin clutch, and you've got a gorgeous red carpet look.
Thandie embraced the trend for underwear as outerwear in this stunning satin and lace gown. We can't help but feel that the necklace is overkill, but her flawless hair and make-up give a beautiful end result.
The Texan octogenerian looked incredible in this one-off Gucci piece.
Naeem Kahn's designs were the preferred choice of party guests, including the ever-elegant Patricia Clarkson.
Plunging necklines were this year's hottest red carpet trend, as seen on Taylor Swift wearing Alexandre Vauthier Haute Couture.
Game of Thrones actress Sophie kept it simple in a royal blue Giambattista Valli couture gown and loose waves .
British actress Juno impressed in this Yves Saint Laurent Couture gown, which complemented her skin tone and hair colour perfectly. Wisely, she chose to go without accessories, keeping the look fresh and interesting.
Comedian Rebel proves that sometimes, an LBD is all you need to wow. Opting for long sleeves and waist detailing, Rebel's loose waves added some extra glamour.
The Indian actress wows in Jenny Packham - could this be the Duchess' next dress?
Going against the red-carpet norm, Zooey rocked up wearing comfy ballet flats. We salute you!
She's a fashion icon for a reason, and when it comes to red carpet dressing, Diane can't put a foot wrong. Looking every inch the Hollywood vixen, she took advantage of one of the biggest trends of the moment - sheer panels, and added some beading and fringing into the mix. On paper, it shouldn't work, but she pulled off this Reem Acra dress so beautifully that this might be one of her best looks yet.
The British actress channelled old Hollywood glamour in a dazzling Saint Laurent dress.
The American fashion designer opts for one of her own bold designs.
Opting for full-length Roberto Cavalli, Jessica joined the 'deep-plunge/leg-slit' club with this white gown. We would have liked to have seen it without the thick black belt, but Jessica's stunning make-up couldn't have been more perfect for her.
Another celeb that can do no wrong in the fashion world's eyes, Kate looked flawless in this feathered lilac gown. The fitted style showed off her slim frame, while the bardot neckline took advantage of this season's most popular trend.
It must have been one hell of a special night for British model and actress Liberty Ross, because she chose to re-wear her wedding dress for the occasion. She married Jimmy Lovine this Valentine's Day, and loved her vintage Dior dress so much that she stepped out in it again just two weeks later. Well, when it's that beautiful on you, why not?
It's certainly similar to Kate Hudson's gown, but thankfully the pair opted for different colours. Olivia's J.Mendel dress was heavily embellished, making for a beautiful and eye-catching style.
Sam Taylor Johnson and Aaron Taylor Johnson
The Fifty Shades of Grey director dazzled in her floral Alexander McQueen gown, whilst Aaron looked dapper in Tom Ford.
Olivia's earlier white gown was swapped for a similar style, but this time in hot pink. Simple but effective, the deep plunge works perfectly for her shape.
She admitted that finding a dress for the Oscars had been like a 'full-time job', but plus-size model and Sports Illustrated cover star Ashley Graham certainly worked the end result! This sexy red gown fitted her perfectly.
Simple but with a hint of sparkle, Chrissy looked every inch an star in her Talbot Runhof gown.
The supermodel turned heads in a red Kaufmanfranco gown and Swarovski accessories.
Dita Von Teese
Vintage-lover Dita knows how to wear a ball gown! Her tiny waist was showcased to perfect in this stunning red gown with full skirt.
She's regularly voted one of the sexiest women in the world, and Kate certainly lived up to it in this simple black gown. No embellishments or bright colours - simply a dress that fits perfectly and makes the most of her figure. We approve.
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