The Oscars red carpet may have more than a few sartorial sights to see , but don't think the parade of dresses is over just because the last award has been announced. With an evening full of afterparties, you can rest assured that the best is yet to come. And while our favorite stars may have chosen sophisticated and sexy gowns  for the show, some of the most daring dresses of all turned up after hours. While stars such as Amy Adams , Reese Witherspoon , and none other than Lupita Nyong'o opted for more delicate, classic numbers, there were more than a few who pushed the boundaries — and necklines — to see just how showstopping an afterparty dress can be!
Oscar winner Lupita Nyong'o swapped her light blue Prada gown  for a seafoam green Miu Miu number at the Vanity Fair Oscar party. She accessorized with a pair of matching heels and a Prada clutch.
At the Vanity Fair Oscars party, Sienna Miller  showed that an arm party can extend all the way past the elbow. Her red bustier gown is from the Alexander McQueen Spring 2014 collection.
We have a feeling that Jay Gatsby would approve of the influence the 1920s had on the design of Jenna Dewan-Tatum's dress at the Vanity Fair Oscar party.
Jennifer Lawrence  went for a glamrock look with her long-sleeve mini dress at the Vanity Fair Oscar party, which she accessorized with a pair of black strappy sandals.
We were left wondering whether Kate Beckinsale  took inspiration from the golden statuettes when choosing her gown for the Vanity Fair Oscar party.
Diane Kruger  was daring in lace at the Vanity Fair Oscar party. What else but black pumps would be able to finish this look off to a T.
Ellen Page  is inspiring us to borrow from the boys in her tuxedo, which she wore to the Vanity Fair Oscar party.
Anne Hathaway  proved that black and white is an eternally chic combination in her Viktor & Rolf dress at the Vanity Fair Oscar party.
Emilia Clarke kept things sleek and sophisticated in her black dress at the Vanity Fair Oscars party.
Oscar Nominee changed into a custom Carolina Herrera gown, accented by a pair of drop earrings and Jimmy Choo heels, for the Vanity Fair Oscar party.
Lady Gaga  debuted a stunning — and sparkling — white gown at the Vanity Fair Oscar party.
Doutzen Kroes channeled retro elegance in a sexy black cocktail dress at the Vanity Fair Oscar party. Lucky for us, its hemline was just short enough to show off her killer pair of heels!
Taylor Swift  twinkled in her slinky black dress, accessorized with matching jewels and a clutch by Emm Ku at the Vanity Fair Oscar party.
Allison Williams covered up in a long-sleeve pink gown by Emilia Wickstead at the Vanity Fair Oscar party. She finished the look off with a pair of Brian Atwood pumps.
Ashley Greene  showed her sophisticated side in a softly draped cream cocktail dress, which she accessorized with black strappy sandals, at the Elton John AIDS Foundation viewing party.
Kate Hudson  was ethereal at the Vanity Fair Oscar party in an intricately embroidered dress that transitioned into a sheer skirt.
Diane von Furstenberg
What else would DVF wear to the Vanity Fair Oscars party than a brightly printed dress?
Petra Nemcova's feminine gown was punctuated with a black waistband at the Elton John AIDS Foundation viewing paryt.
Kim Kardashian  wasn't afraid to rock bold color (and a daring neckline) at the Elton John AIDS Foundation viewing party.
It's safe to say that Miranda Kerr  stole the spotlight in her silvery (and sexy) KAUFMANFRANCO dress at the Vanity Fair Oscar party. The dress wasn't the only thing sparkling: she picked Jacob & Co bracelets and a ring.
Rashida Jones showed she wasn't afraid of bold prints (and color) at the Vanity Fair Oscar party in her long sleeve dress.
Vanessa Hudgens  arrived to the Elton John AIDS Foundation viewing party in a dramatic (and metallic) gown.
Selena was sheer perfection at the Vanity Fair Oscar party in a golden Pucci gown  from the brand's Fall 2014 collection.
Chrissy Teigen went for sexy and strapless in her Naeem Khan gown at the Vanity Fair Oscar party. She accessorized with a pair of Jimmy Choo sandals.
Abbie Cornish 's sexy black dress at the Vanity Fair Oscar party got an unexpected splash of sparkle thanks to its shimmering peplum.
Sky Ferreira kept things understated and chic in her reddish orange gown at the Vanity Fair Oscar party.
Amy Poehler  was a vision at the Vanity Fair Oscar party thanks in large part to her Peter Som dress and custom Aldo shoes.
Leslie Mann chose a cheery Jenny Packham Spring 2014 gown, accessorized with a coordinating clutch, for the Vanity Fair Oscars party.
Karolina Kurkova showed the delicate beauty of lace with a sheer white dress by Elie Saab Haute Couture at the Elton John AIDS Foundation viewing party.
Mindy Kaling channeled retro glamour in her black peplum dress at the Vanity Fair Oscars party.
Christina Hendricks was the caped crusader (in a little black L'Wren Scott dress) at the Elton John AIDS Foundation viewing party.
Not many jewels were needed to compliment Hilary Rhoda's sophisticated vintage Halston gown at the Vanity Fair Oscar party.
Elisabeth Moss  wore a new take on the crop top at the Vanity Fair Oscar party.
Sofia Vergara kept things on the sexy side in her neutral gown at the Vanity Fair Oscars party.
Zooey Deschanel  in an Oscar de la Renta floral frock at the Vanity Fair Oscars party? We wouldn't have had it any other way.
Halle Berry  chose a black vintage Versace dress for the Fame and Philanthropy Post-Oscar Party. She rounded the look out with Stuart Weitzman heels.
Jaime King turned heads at the Vanity Fair Oscar party in her jewel-toned dress by Ulyana Sergeenko, which featured contrasting embroidery for a sophisticated touch.
We love how Elizabeth Banks went a different route and opted for chic separates by Jenny Packham at last night's Vanity Fair Oscar party. She finished things off with a pair of Casadei pumps and a Jimmy Choo clutch.
Our favorite thing about Emmy Rossum's Monique Lhuillier dress at the Vanity Fair Oscar party? The fact that the hemline lets us get a peek at her shoes!
Nolan Gerard Funk and Donatella Versace
Donatella Versace wore a blue body-conscious gown when she posed with Nolan Gerard Funk at the Elton John AIDS Foundation viewing party.
Let Anna Paquin 's Alexander McQueen dress show that even a classic black gown can still pack a chromatic punch.
Rita Ora styled her lace Miu Miu dress — featuring an asymmetric peplum — with a Jimmy Choo clutch at the Vanity Fair Oscar party.
Penelope Cruz  arrived to the Vanity Fair Oscar party in a wardrobe staple: the black dress — by H&M!
Calling Heidi Klum 's gown that she wore to the Elton John AIDS Foundation viewing party black barely even begins to describe its impact.
Malin Akerman delivered one of the sexiest looks of the Vanity Fair Oscar party: a burgundy dress with not only a sheer top, but a thigh-high slit. Accessory-wise, she picked Dionea Orcini earrings and a ring.
Karlie tempered the long skirt of her black dress with a neckline that plunged to her waist at the Vanity Fair Oscar party. A matching clutch and coordinating heels finished off the look.
Old Hollywood glamour is alive and well, thanks in large part to Gabrielle Union  at the Vanity Fair Oscar party. She finished the look off with Jerome Rousseau heels.
Adam Levine and Behati Prinsloo
Adam Levine — dressed in head-to-toe Ferragamo — and Behati Prinsloo, in Calvin Klein Collection, may have been the best-dressed couple of the night.
Irina Shayk's corseted black gown took the Vanity Fair Oscar party to a whole other level of sexiness.
Amanda Peet  proved that there's no more classic color combination than black and white at the Vanity Fair Oscars party in her t-shirt gown by Band of Outsiders (plus a spot of green from her 7-carat Sorellina green tourmaline ring).
Evan Rachel Wood
There's no denying the showstopping color of Evan Rachel Wood's emerald green Elie Saab Haute Couture gown she wore to the Vanity Fair Oscar party.
Reese Witherspoon  showed at the Vanity Fair Oscar party that even a midi-length cocktail dress, like this one from Hugo Boss by Jason Wu, can pack a lot of drama.
Anna Kendrick  channeled art deco glamour in her geometric dress by Atelier Versace at the Vanity Fair Oscar party.
Erin Heatherton opted for an orangey red dress with sheer seamwork for the Vanity Fair Oscar party.
Kristen Bell  saw how low a v-neckline can go in her stunning red gown at the Vanity Fair Oscar party.
Kelly Ripa  wasn't afraid of rocking bold color at the Vanity Fair Oscar party.
Britney Spears  wasn't afraid to take the plunge in a semisheer, ultrasexy gown at the Elton John AIDS Foundation viewing party.
Pink edged things up at the Vanity Fair Oscar party by pairing a leather jacket with her dress. For earrings, she picked a drop style by Jacob & Co.
Less than a month after debuting at New York Fashion Week, Rosie Huntington-Whiteley wore a dusty blue dress by Cushnie et Ochs to the Vanity Fair Oscar party.
Olivia Munn wore a white Alexander McQueen dress to the Vanity Fair Oscars party.
Chanel Iman dazzled at the Vanity Fair Oscar party in a Zuhair Murad couture gown.