Christina Aguilera Is a Fan of Kylie Jenner's "Dirrty" Costume

Kylie got XTina's approval.

Kylie Jenner/Instagram

Kylie Jenner arguably won Halloween 2016 when she stepped out in this spot-on costume of Christina Aguilera from her "Dirrty" music video, circa 2002 (an iconic moment in 2000's pop culture). She got everything from the chaps, to the black-and-blond braids to the (fake) lip piercings down.

But what did Xtina herself think of the outfit? After word spread of Kylie's accurate "Dirrty" tribute, Aguilera reacted to the 19-year-old's costume last night with nothing but straight praise. She even reposted Jenner's photo on her own Instagram and enthusiastically captioned: "YAASSSSS".....Killin it @kyliejenner yes to dirrty 2016!! Get it girrrl!!! 👏👏☠️😈👻😻💋"

Kylie was merely five years old when a then-22-year-old Xtina released the provocative music video, but the teen clearly did her research.

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