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Amid a sea of boring tuxes and gowns we've seen a thousand times, you can count on Zoë Kravitz to shake things up — and last night's Vanity Fair Oscars Afterparty was no different.

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From the front, you'd be forgiven for thinking that Zoë's YSL dress was fairly cookie-cutter.

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Suprise!

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Saint Laurent creative director Anthony Vaccarello shared a little behind-the-scenes look on Instagram:
Naturally, the dress was extremely divisive in the comment section of Vogue:
Of course, this isn't the first time a celeb has opted for a butt cutout on the red carpet — both Gabrielle Union and Julia Fox have worn similar outfits.
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