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    10 Times You Thought Celebrities Were In Costume But Weren't

    We don't know what these celebrities were thinking with their outfit choices, but we have to thank them for the laugh...and maybe even a costume idea!

    10. The infamous Britney Spears and Justin Timberlake denim outfit from the 2001 AMAs

    And who knows why Katy Perry and Riff Raff brought this look back for the 2014 VMAs...

    9. Justin Bieber thriller reenactment?

    8. Destiny's Child representing their southern roots

    7. Miley Cryus' disco ball look from the 2015 VMAs

    6. Bjork's insane swan dress from the 2001 Academy Awards

    5. Madonna's flapper/matador inspired look from the 2015 Grammy's

    4. Nicki Minaj's wild leopard look from the 2011 Grammy's

    3. Cher's 1987 Oscar's look

    2. Lady Gaga's meat dress

    1. Yes it's Lady Gaga again, but this time in an egg...

    I don't know about you, but I am completely inspired for Halloween this year. Let's do this.

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