Miley Cyrus' MTV Video Music Awards performance Sunday night likely left many shocked and even puzzled, but no reaction was better than that of Rihanna and the boys of One Direction.

Cyrus performed her summer hit, "We Can't Stop," and then stayed on stage to perform "Blurred Lines" with Robin Thicke. The act included giant teddy bears, wild twerking, some latex underwear and lots of tongue. She also took some time to grind on Thicke (who is a 36-year-old husband and father) and pretend to lick his chest, before running off with her foam finger.

While the 20-year-old pop singer was performing, the camera panned to the crowd and landed on Rihanna and One Direction, who were sitting near each other inside the Barclays Center. The R&B superstar, her posse and the boys of 1D were not impressed.

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Rihanna's blank expression spoke volumes, while Harry Styles and his furrowed brow seemed very perplexed. Needless to say, they probably weren't the only ones. It's not every day you see a former Disney darling running around on stage in pigtails and a bodysuit slapping butts and twerking.

Others were downright disturbed.

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The 2013 MTV VMAs were something else. Thanks for joining!

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Katy Perry performed "Roar" for the first time, and it was glorious.

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With a silly voice.

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Let's remember this:

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He loved it.

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Drake shifts into "Started From The Bottom," obviously.

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Because when he isn't taking photos with Taylor Swift, he's a great rapper.

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Because why not?

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He thanks God, his publicist and his "Mahomies."

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After having a major year with the breakout success of their hit single "Thrift Shop" and the follow-up "Can't Hold Us," Macklemore and Ryan Lewis hit the stage at MTV's Video Music Awards to perform their song "Same Love."

Click here for more on Macklemore's MTV VMA performance.

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Oh, OK.

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After being introduced by NBA player Jason Collins and A$AP Rocky.

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One Direction for "Best Song Ever," which was clearly not the best song of the summer, but #mtv.

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Also on HuffPost:

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  • Miley Cyrus

  • Katy Perry in Emanuel Ungaro

  • Lady Gaga in Prabal Gurung

  • Selena Gomez in Atelier Versace

  • Taylor Swift in Hervé Léger By Max Azria

  • Rita Ora in Alexandre Vauthier Couture

  • Ciara in Givenchy

  • Ellie Goulding in Brian Atwood

  • Miley Cyrus in Dolce & Gabbana

  • Katy Perry in Emanuel Ungaro

  • Robin Thicke

  • Erin Wasson in Alexandre Vauthier Couture

  • Naya Rivera in Vintage Paco Rabanne

  • Lady Gaga

  • Adam Lambert

  • Lady Gaga

  • Rihanna in Rihanna for River Island

  • Drake

  • Lady Gaga

  • Jennifer Hudson in Christian Dior

  • Shailene Woodley in Emilio Pucci

  • Shailene Woodley in Emilio Pucci and Miles Teller

  • Robin Thicke and Paula Patton

  • Wiz Khalifa

  • Iggy Azalea in Emilio Pucci

  • Holland Roden in Naeem Khan

  • 2 Chainz in Versace

  • Lil' Kim

  • Riff Raff

  • Chilli

  • Coco Rocha in Fausto Puglisi

  • Daft Punk

  • Kanye West

  • Justin Timberlake

  • Ryan Lewis and Macklemore

  • Mary Lambert

  • Ashanti

  • Willow Smith in G Star and Jaden Smith in Alexander Wang

  • Joan Smalls in Viktor & Rolf

  • Allison Williams in Valentino

  • Grimes

  • Jemima Kirke

  • DJ Cassidy

  • Sarah Hyland in Marchesa

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  • Jillian Rose Reed

  • Flying Lotus

  • Tomo Milicevic, Shannon Leto and Jared Leto

  • Jermaine Fowler

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  • Ronnie Magro and Sammi Giancola