Chinese billionaire Silas Chou was this year's host of the $25,000-a-ticket affair, while Jennifer Lawrence, Marissa Mayer, Wendi Deng Murdoch, Gong Li, and Anna Wintour served as co-chairs.
But it is Wintour who has overseen the star-studded guest list since 1995.
This year's A-list attendees include:Rihanna, Kim Kardashian, Kanye West, Madonna, Katy Perry, Sarah Jessica Parker, Reese Witherspoon, Sofia Vergara, Ivanka Trump, Allison Williams, and many more.
Vogue editor-in-chief Anna Wintour, chair of the event since 1995, arrived in vibrant red Chanel couture.
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Wintour's daughter, Bee Shaffer, in Alexander McQueen.
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Met Ball co-chair Marissa Mayer in an Oscar de La Renta gown that matched the carpet.
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Fellow co-chair Wendi Deng, formerly Murdoch, also went with Oscar de la Renta.
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Kim Kardashian, in Roberto Cavalli, and Kanye West.
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Jay Z and Beyoncé, in Givenchy, made quite the entrance.
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Rihanna in a bright yellow showstopper by Guo Pei gown. The gown took two years to make.
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George and Amal Clooney, who was wearing a John Galliano for Maison Margiela gown in the color of the night.
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Jennifer Lopez with Donatella Versace.
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Katy Perry, sporting a short new haircut, with designer Jeremy Scott.
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Madonna and Rita Ora arrived with designer Tom Ford.
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Lady Gaga with designer Alexander Wang.
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Miley Cyrus and Zoe Kravitz, both wearing Alexander Wang.
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Models Gigi Hadid and Karlie Kloss.
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Jennifer Lawrence in a Dior Couture dress.
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Sarah Jessica Parker, who embraced the night's theme in an H&M dress that she designed, arrived with Bravo's Andy Cohen. She is wearing a headpiece by Philip Treacy and SJP Collection shoes.
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Kate Hudson with designer Michael Kors.
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Sofia Vergara, in Marchesa, with fiancé Joe Manganiello.
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Reese Witherspoon wowed in Jason Wu.
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Larry David kept it casual.
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The Olsen twins went to the dark side.
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Justin Bieber with Balmain designer Olivier Rousteing.
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Kendall Jenner in a Calvin Klein Collection jade green crystal-encrusted dress.
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Kris Jenner in Balmain.
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Solange Knowles' outfit was out of this world.
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Designer Marc Jacobs with Cher.
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OIivia Wilde and Jason Sudeikis.
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Chrissy Teigen, in St.John, with husband John Legend.
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Designer Stella McCartney with models Zhu Zhu, Sofia Ritchie, and Cara Delevigne.
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Anne Hathaway in a hooded Ralph Lauren gown.
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Actress Sienna Miller in Thakoon, with the designer.
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Kerry Washington was pretty in Pink Prada.
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Julianne Moore in Givenchy.
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"Girls" star Allison Williams in a Giambattista Valli Couture dress.
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Kristen Wiig with designer Prabal Gurung.
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Katie Holmes with designer Zac Posen.
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Selena Gomez with designer Vera Wang.
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Diane Kruger, in Chanel Couture, and Joshua Jackson posed strategically on different steps.
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Amanda Seyfried with boyfriend Justin Long.
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Robert Pattinson with fiancé FKA Twigs, who was wearing an interesting Christopher Kane dress with body cut outs.
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Olivia Munn, in ombré J. Mendel, with boyfriend Aaron Rogers.
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Dwyane Wade and Gabrielle Union.
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Derek Jeter, in a custom Rag & Bone tux, with his Sports Illustrated swimsuit issue cover-model girlfriend, Hannah Davis.
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Diddy with girlfriend Cassie, who was in Zuhair Murad.
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Model Rosie Huntington-Whiteley in a Versace gown.
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Model Karolina Kurkova.
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Ivanka Trump, in a Prabal Gurung gown and Cindy Chao jewelry, with husband Jared Kushner.
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Uma Thurman and boyfriend Andre Balazs.
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J. Crew designer Jenna Lyons kept it causal and comfortable.
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Spike Lee, wearing Warby Parker glasses, with wife Tonya Lewis Lee.
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"Fifty Shades of Grey" star Dakota Johnson in Chanel.
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Elizabeth Banks kept it cool in Michael Kors.
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Alicia Keys in a Jean Paul Gaultier tutu.
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Singer Lorde with designer Francisco Costa.
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Actress Keri Russell in a feathered Altuzarra gown.
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Designer Tory Burch with actresses Dianna Agron and Maggie Q.
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Chloe Sevigny in a custom look by J.W. Anderson.
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"Masters of Sex" actress Lizzy Kaplan in Donna Karan.
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Neil Patrick Harris and husband David Burtka went matching.
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Model Liya Kebede with designer Phillip Lim.
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Model Irina Shayk in a Topshop dress.
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Model Emily Ratajkowski was also in Topshop.
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Poppy Delevingne in a name-appropriate dress by Marchesa.
Aly is a Senior Correspondent for INSIDER, a new lifestyle publication from Business Insider Inc. She was previously the Senior Entertainment Editor at Business Insider. Before joining BI in 2011, she worked as a reporter, writer, and producer for E! News and E! Online in Los Angeles.Aly graduated from the University of Southern California with a degree in journalism. She has written for numerous entertainment and lifestyle publications and hosted TV and web segments of similar content. You can follow her @AlyWeisman.
