Take a look at all the A-list red carpet action from the Oscar's 2015...
The Oscars red carpet was, as ever, a glittering show of all the most beautiful gowns in the world, worn by all the very best of Tinseltown.
Keira Knightley looked incredible in a blush Valentino creation, while Sienna Miller went for a classic black gown by Oscar De La Renta (fresh off the AW15 catwalk from NYFW), flying the flag for the Brits, Rita Ora wowed in a navy embellished Marchesa creation while ex-Burberry model Eddie Redmayne looked suitably dapper in a bespoke Mcqueen suit.
From the winners, nominees and everyone in between, we’ve rounded-up all the best red carpet moments from the night.
Click through to see them all...
Best Supporting Actress Patricia Arquette opted fo a striking one shoulder monochrome Rosetta Getty gown, Salvatore Ferragamo clutch matching heels.
Sienna Miller took to the red carpet looking beautiful as ever, wearing Oscar De La Renta, fresh off thr AW15 catwalk.
Brit singer and actress Rita Ora triumphed at this year's Oscars in a stunning navy Marchesa creation, showing off all her enviable curves in the process. Top marks for the chic embellishment detailing and the slicked back hairdo.
Emma Stone looked truly incredible in this Elie Saab haute Couture gown. Slashed to the thigh Angelina Jolie-style, this gown is oh-so-elegant, without looking frumpy. We love Emma's timeless wavvy hairdo and showstopping Christian Louboutin heels, too.
Breakthrough actress of 2015 and star of 50 Shades Of Grey, Dakota Johnson has every reason to look so relaxed and at ease on the Oscars red carpet. We love Dakota's looked a red Saint Laurent gown and clashing red lip, plus, the subtle shoulder embellishment and delicate diamond accessories give this classic look a red carpet edge.
Cate Blanchett went off piste with her designer choice for this year's Oscar gown, opting to wear this elegant black velvet gown, complete with frayed edging, by Maison Martin Margeila. Finishing her look and adding a much needed shot of colour, Cate went for a bold turquoise statement necklace.
Best Actress nominee Rosamund Pike was a vision in red Givenchy. Not only does this racy gown flash a bit of leg, but that nipped-in waist creates the ultimate silhouette for the red carpet, too.
Jessica Chastain worked a navy corset-style Givenchy gown for her moment on the rd carpet. Top marks for the extra sparkle, and we think Jessica totally nailed it with the drape front and thigh split detailing.
Jennifer Aniston wowed in this blush bandeau Versace number. Turning up on the arm of her oh-so-handsome fiance, Jen rocked her signature bouncy blow-dry, healthy looking Hollywood tan and some ultra-chic barely-there heels.
Jennifer Lopez did Princess-chic for her turn on the red carpet. and we think she totally nailed it. Opting for a plunging embellished creation from Elie saab, J-Lo went for a rather modern updo and paired her glowing tan with a bold pink lip. Bravo.
Lupita Nyong'o took a break from her run of bold gowns of late, opting for this showstopping white number from Calvin Klein, completing her look with some Nicholas Kirkwood heels.
Best Actress winner Julianne Moore looked incredible in her Chanel creation. Said to have taken an impressive 927 hours to make, and we reckon it was worth every single minute spent as this really is an exquisite piece of craftmanship.
Cate Blanchett looked super elegant in her Maison Martin Margeila gown.
Anna Kendrick went for colour for her turn on the red carpet opting for this custom made Thakoon dress, completing her look with a pair of Brian Atwood heels.
Emma Stone and Jennifer Aniston share a rare funny moment together on the red carpet.
Gwyneth Paltrow may have been taking style tips from Carrie Bradshaw (remember that white floral gown in the opening scene of SATC the movie?) for her Oscar gown. We love the new scraped back hairdo, too.
Scarlett Johansson made a rare appearance at this year's Oscars, stepping out in this beautiful emerald Versace number. We love the matching green necklace and that quiff-like updo.
Reese Witherspoon was another fan of Monochrome, working an of-the-moment, off-the-shouder Tom Ford frock. Top marks for the clever black waistband detail, creating a super-svelte looking silhouette.
Newlyweds Sophie Turner and Benedict Cumberbatch share a tender moment on the red carpet.
Julianne Moore poses on the red carpet.
Marion Cotillard works white like a pro on the red carpet, choosing a rather elegant Dior Couture gown. Completing her red carpet look, Marion opted for some Chopard diamond accessories, naturally.
Felicity Jones went all out, choosing this incredible Alexander McQueen gown. We love the bold neckline, and the chic grey colour works perfectly against Felicity's porcelain skintone and glossy brunette locks.
Newlyweds Eddie Redmayne and Hannah Bagshawe pose together on the red carpet.
Proud parents-to-be Keira Knightlet & James Righton pose together on the red carpet.
Newlyweds Benedict Cumberbatch & wife Sophie Turner pose together on the red carpet.
Zoe Saldana looked stunning in her pale pink gown by Versace. We love the drape-front detailing, plus the subtle straps and delicate diamond necklace give this classic gown a modern twist.
Margot Robbie wears a black plunging Saint Laurent gown, looking every inch the Hollywood star. Nice choice on the bold drop pendant necklace, too.
Eddie Redmayne and Hannah Bagshawe share a joke on the red carpet.
Adam Levine and wife Behati Prinsloo look simply stunning taking their turn on the red carpet.
Nicole Kidman went bold and opted for this Louis Vuitton sparkling number, teamed with a clashing waist belt. Loving the new 'do, too.
Andrea Riseborough went for a low key, but ultra-beautiful gown for her turn on the red carpet. Bit of fringe inspiration, too? We think so.
Sienna Miller gave us all kinds of beauty inspiration with this look. Not only has Sienna managed to pull off the incredibly chic smoky eye, but that classic updo is all kinds of beautiful.
Jennifer Aniston and Justin Theroux pose together on the red carpet.
Marion Cotillard teamed her Dior dress with an equally stunning twisted updo.
Best Actor nominee Steve Carrell and wife Nancy looked super-sweet on the Oscars red carpet.
Idris Elba and wife isan Elba pose together on the red carpet.
Channing Tatum and wife jenna pose together on the red carpet.
Karolina Kurkova went for a powder pink satin bandeau gown, that totally works with her model silhouette and blonde colouring. Top marks for the ruffle-back detailing.
Chloe Grace Moretz went for a bold printed Miu Miu gown, and we absolutely love it. Not only does Chloe pair her bandeau creating with an equally cool bouncy blow-dry, but CGM worked in some suitably stunning diamond accessories into the mix, too.
Andy Samburg poses on the red carpet.
Lady Gaga gave us all a lesson in eveningwear with this OTT creation. Not only is her pewter gown totally showstopping size-wise, but those red gloves give it an ever cooler (or outre) edge.
Chris Pratt and Anna Faris pose together on the red carpet.
Bradley Cooper at the Oscars 2015.
Chris Evans poses on the red carpet.
Oprah Winfrey wears a beautiful blush tulle gown for her turn on the Oscars red carpet.
Don Gummer & Meryl Streep pose together on the red carpet.
Adrien Brody went for a super-cool tuxedo for his Oscars appearance.
Alejandro Gonzalez Inarritu and Maria Eladia Hagerman pose together on the red carpet.
HRH Anna Wintour and Bee Shaffer pose together on the red carpet.
Jennifer Hudson was a vision in her yellow Romona Keveza bandeau gown. We love this spring-like look on Jen, and reckon those Jimmy Choo shoes were the perfect pairing for thus super-sophisticated look.
Best Supporting Actress Patricia Arquette and Best Actress winner Julianne Moore pose together at the Oscars 2015.
The Help actress Octavia Spencer showed off her powder blue, super-floaty dress on thr Oscars red carpet.
Nicole Kidman and Reese Witherspoon pose together on the red carpet.
Newlywed Solange Knowles rocked a Christian Siriano high-neck, split-front creation, and totally nailed it.
Naomi Watts wowed in her Armani Prive cutout creation. Not only is the floor-grazing gown totally worthy of the red carpet, we reckon Naomi pushed the boundaries even further, choosing the bold print, too. We love how Naomi kept her hair and make-up simple, to really offset her red carpet look.
Could there be a more stylish duo? We think not.
Jared Leto stuck with this signature outre styling, opting for this slim-fit powder blue suit. Nice touch on the white accessories, too.
Best Actress winner Julianne Moore poses with fellow Oscar winner, Patricia Arquette.
Julianne Moore poses with her well earned Oscar for her performance in Still Alice.
Tom Cross celebrates his Best Editing win.
Cate Blanchett plants a kiss on Best Actor winner Eddie Redmayne's cheek.
Eddie Redmayne celebrates his Best Actor Oscar win for his performance in The Theory Of Everything.
Jennifer Aniston poses with Fiance Justin Theroux pre-Oscar party.
Amy Adams works a blue showstopping gown to attend the Vanity Fair Oscar party.
Chloe Grace Moretz works her evening Miu Miu gown like a true pro, stepping out at the Oscars after party.
Jessica Chastain poses with Idris Elba and Emmanuel Lubezki pre-party.
Patricia Arquette poses with her Oscar for Best Supporting Actress.
Common & John Legend pose together post Oscar ceremony.
Jennifer Aniston works the pre-party carpet like a true Hollywood pro.
JK Simmons & Lupita Nyong'o pose together At The Oscars.
Chiwetel Ejiofor, Pawel Pawlikowski and Nicole Kidman share a joke at The Oscars 2015.