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While one star was celebrating her birthday another one stole the show.

Kylie Jenner came to Christina Aguilera’s 36th birthday party dressed as none other than, a vintage Christina.

Related: Christina slayed in this Maxim photo shoot

Although Christina’s birthday isn’t until next week, that didn’t stop them from celebrating early. Kylie did so by showing off Xtina’s classic style.

For Halloween this year she had totally brought back the outfit Aguilera wore in the video for her song “Dirty” circa 2002.

So according to People at the request of Christina, Kylie came dressed to kill…and she did exactly that. This time a slightly different but just as awesome Chritina-esque costume.

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Happy Birthday @xtina !!!!!! 💋💋💋

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Birthday Bae

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@jordynwoods @tiff_sorya ❤️❤️

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