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Those who cannot remember past it-girls000 Archivescondemned to miss out on some killer outfit inspiration.

Famous person Kendall Jenner celebrated her 21st birthday wearing a look inspired by famous person Paris Hilton's 21st birthday look.

Fans quickly made the connection between the two it-girls' ensembles, posting side-by sides of Jenner last night alongside Hilton in 2002.

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The custom dress was made created by designer Lebanese Antoine Salameh for his brand, LaBourjoisie, who has dressed some of Jenner's sisters and even Hilton herself before. It probably cost about $9,000, just like your 21st birthday dress!

"I have a longstanding relationship with stylist Monica Rose,” Salameh told WWD. “[Rose] reached out to our PR company requesting a custom look for Kendall. The dress took two weeks from inception to creation.”

Jenner herself acknowledged the inspiration with the Instagram caption, "Paris Hilton vibes."

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Paris Hilton, of course, kind of created the Kardashians as we know them -- alongside Kris Jenner -- back when she and Kim were besties, but the two pop culture have since fallen out. Could this be a sign that the two dynasties are making their peace?

Kardashian West, who would have been familiar with the outfit from the first time around, reportedly attended the party but remained low key throughout the night.

Her friends and family documented the evening on Snapchat.

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