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And the Oscar for Best Supporting Pup goes to…Uggie! The fox terrier took a walk down the Academy Awards red carpet (in an 18k-gold Chopard dog collar) to celebrate The Artist‘s Best Picture win last Sunday, accompanied by Best Actor winner Jean Dujardin. Meanwhile, Amber Heard and her pink-highlighted Yorkshire terrier, Pistol, went shopping at an Express in Los Angeles. Click through the gallery to see more of Hollywood’s famous furry friends!

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• Stars and Their Kids
• The Full List of Oscar Winners
• Berenice Bejo’s Oscar Jewelry
• Amber at New York Fashion Week

We asked readers to vote for the top fashion and beauty moments at the Academy Awards, and the results are in! Thousands voted for eight different categories, including Best Oversized Bun, Most Gorgeous Dress, Cutest Couple, and more. Click through the gallery to find out who you picked as the winners!

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• Oscars Red Carpet Fashion
• Who Won the 2012 Academy Awards?
• Oscars Weekend Party Photos

Oscars night was so big that some stars required two dresses! American Idol judge Jennifer Lopez was just one of the many celebrities who opted to change looks between the awards show and the after-parties, as she switched out one Zuhair Murad gown for another. See all of the stars who made quick wardrobe updates in the gallery.

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• Pictures From the Oscar Parties
• Emma Stone’s Oscar Makeup
• Uggie’s Oscar Collar by Chopard

And the winner of the night’s best bow tie goes to… Uggie! The adorable star of The Artist stole the spotlight during the movie’s Best Picture win at the 2012 Academy Awards with his custom 18-karat gold and silk bow tie by Chopard. The pup-size accessory featured an engraving of his name and will be auctioned off to benefit The Amanda Foundation, a non-profit organization for rescue dogs and cats. “I was completely charmed by Uggie’s role in The Artist,” said Caroline Scheufele, artistic director of Chopard. “Knowing that Uggie is a rescue dog, it inspired me to create a unique piece to benefit an important cause.” Too cute!

See who else topped our best dressed list!

MORE OSCARS:
• List of Oscars 2012 Winners
• Oscars Weekend Party Photos

Academy Awards weekend is one of the biggest party weekends of the year! Heidi Klum (in Atelier Versace), Kim Kardashian (in Azzedine Alaia) and mom-to-be Kourtney Kardashian (in Raoul) caught up at Elton John’s viewing party in West Hollywood. “The Oscar statue reminds me of Heidi Klum,” Kim told InStyle.com. “She’s golden and she’s statuesque!” So true! See more not-to-be-missed party photos from Oscars weekend in the gallery.

MORE: 
• List of Oscars 2012 Winners
• Oscars Red Carpet Fashion
• The Best Dressed Stars at the Oscars

— Betony Toht, reporting by Andrea Simpson