Oscars 2014 After-Party Pictures: Hottest Celeb Bashes

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Lupita Nyong'o and Matthew McConaughey

That's one winning photo! Best Supporting Actress Nyong'o (in powder blue Prada) chatted up the Dallas Buyer's Club Best Actor winner during the Governors Ball. Said 12 Years a Slave's Nyong'o of her inaugural Oscar night: "I'm overwhelmed!"

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Angelina Jolie and Brad Pitt

Governors Ball date night! On the heels of his film 12 Years a Slave winning 2014's Best Picture Oscar, Pitt joined his fiancee (in Elie Saab Haute Couture) to party the night away.

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Jennifer Lawrence and Larry David

Swapping her Dior Oscars dress for a metallic Tom Ford cocktail dress with mirrored embellishments to party the night away at the Vanity Fair bash, chatted with Larry David at the fete.

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Ellen DeGeneres and Portia de Rossi

The woman of the evening clutched wife de Rossi's hand as the couple celebrated DeGeneres' successful Oscar hosting stint while making the rounds during a 40-minute stop at the Governors Ball. "I thought she was just amazing," de Rossi gushed to Us at the bash. "I am so proud."

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Amy Adams, Spike Jonze and Karen O

Her's Jonze (center) clutched his Best Original Screenplay Oscar during a photo op with American Hustle's Adams and Oscar performer Karen O at the 2014 Vanity Fair party.

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Taylor Swift and Jaime King

Ditching her usual nude gowns for Julian McDonald's dark glittery design at the Vanity Fair party, Swift joined King (in Ulyana Sergeenko) to party the post-Oscar night away.

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Chiwetel Ejiofor

Cheers for Chiwetel! The 12 Years a Slave star feted his film's Best Picture win at the Governors Ball alongside girlfriend Sari Merce.

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Jared Leto and Stevie Nicks

Best Supporting Actor winner Jared (who brought his brother Shannon and mom Constance as his Oscar dates) caught up with Fleetwood Mac's Nicks at Vanity Fair's bash.

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Cate Blanchett and Andrew Upton

The couple celebrated Blanchett's Blue Jasmine Best Actress win with a smooch at the post-Oscars Governors Ball. "I'm going to go get my Oscar engraved with my name so they don't decide to take it back!" the winner told Us shortly after her win.

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Britney Spears

"Love this amazing event that's for a great cause," Spears (in Michael Costello Couture) tweeted before heading to Elton John's Oscars bash with boyfriend David Lucado.

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Leonardo DiCaprio

After a disappointing Best Actor loss to Matthew McConaughey, The Wolf of Wall Street star lifted his spirits with -- who else?! -- his mom Irmelin Indenbirken at the Vanity Fair bash.

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Lady Gaga and Kelly Osbourne

Though Osbourne jokingly strangled Gaga during Elton John's annual Oscar viewing party, the Fashion Police cohost ended her five-year feud with the singer -- started in 2009 when Osbourne called Gaga a "butterface" -- and spent the night chatting with the "Your Song" crooner.

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Chris Hemsworth, Channing Tatum, Jenna Dewan-Tatum and Liam Hemsworth

Jenna's one lucky lady! Partying at Vanity Fair's post-Oscar fete, Dewan-Tatum was flanked by her hubby and the brothers Hemsworth during the bash.

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Lupita Nyong'o and Quincy Jones

The night's Oscar darling (who changed from her pastel blue Prada gown into a seafoam green Miu Miu dress), clutched her Best Supporting Actress trophy while sharing a special moment with Jones at Vanity Fair's bash.

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Molly Sims and Jennifer Garner

Both wearing one of Oscar night's biggest trends -- embellished gowns -- Sims and Garner were caught up in conversation at Vanity Fair's soiree.

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Amy Poehler

Carried away at Vanity Fair! Poehler's Parks and Recreation costars -- including Nick Offerman and Adam Scott -- went for laughs during a group photo in West Hollywood.

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Jared and Shannon Leto

Where will the Best Supporting Actor winner put his Dallas Buyer's Club Oscar? "On the kitchen counter for now, because when I have won the other awards, that's where they go. I walk in the house and set them down!" he told Us at the Governors Ball. "I'm really excited."

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Kim Kardashian, Elton John and Kourtney Kardashian

Bonding over babies, new mom Kim and sis Kourtney -- who both donated $5,000 to the singer's charity -- posed at John's annual AIDS Foundation Academy Awards Viewing Party.

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Elizabeth Banks, Anna Paquin, Stephen Moyer and Jennifer Westfeldt

Well-dressed foursome! The actors came together at Graydon Carter's annual VF soiree March 2 in West Hollywood. Westfeldt looked stunning in a gown by Ines Di Santo.

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Sofia Vergara and Rosie Huntington-Whiteley

Leaving little to the imagination in their cut-out gowns, Vergara and Huntington-Whiteley danced the night away at the Vanity Fair party.

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Spike Lee and Bill Murray

An animated Lee (ready to dance the night away in iridescent sneakers) and Murray boogied at Vanity Fair as Rosario Dawson looked on.

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Adam Levine and Behati Prinsloo

The look of love! Posing at Vanity Fair's annual soiree, The Voice judge and his supermodel fiancee were all smiles in their finest date night attire.

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Scott Eastwood and Bradley Cooper

Hot guy confab! Cooper celebrated his American Hustle nomination at the Vanity Fair party, where he chatted up Clint Eastwood's hunky model son.

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Sienna Miller and Tom Sturridge

Oscar night's Vanity Fair fete served as date night for Miller (in red-hot Alexander McQueen and gold Grecian-inspired wrist cuffs) and her husband.

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Jon Hamm and Andy Samberg

Well-dressed duo Hamm and Samberg shared a laugh at VF's West Hollywood post-Oscar celebration.

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Lisa Bonet, Zoe Kravitz and Ellen Page

Kravitz and Page -- joined by Kravitz's actress mom -- both attended the Vanity Fair soiree in menswear-inspired ensembles.

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Kelly Ripa and Mark Consuelos

Ripa gave her hubby an Oscar-night smooch during the March 2 Vanity Fair party.

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Emma Roberts, Leslie Mann and Olivia Munn

Girls' night out! A red-hot Roberts joined Mann (in a lemon-hued Jenny Packham gown) and Munn for Vanity Fair's post-Oscars party.

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Kristen Bell and Jessica Biel

Joking that she carried a burrito to snack on in her Oscar clutch, Bell (who swapped her Cavalli confection for a cleavage-bearing red number) caught up with presenter Biel at Vanity Fair.

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Reese Witherspoon and Elizabeth Banks

All smiles at Vanity Fair! The actresses happily posed for photogs at Graydon Carter's shindig.

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Sacha Baron Cohen, Isla Fisher, Diane Kruger and Josh Jackson

Double date night! The couples caught up over a glass of wine during the Vanity Fair post-Oscar party.

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Oscar Ready

TV Host Carly Steel sparkles in a Lorena Sarbu gown and Will Hanigan pearls on the Elton John AIDS Foundation Oscar viewing party red carpet on Sunday, March 2 in West Hollywood.