Just last week, we could hardly tell the difference between Kylie Jenner and Kim Kardashian in a recent selfie — but now it's 19-year-old supermodel Kendall Jenner who's showing off her striking resemblance to her older sister!

In a Snapchat video posted to Kim's account, the 35-year-old stands beside Kendall as they both sing along to Kanye West's latest song, "Famous."

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Kendall & I had some fun last night, see it all on the snap! Follow me on snapchat @kimkardashian

A post shared by Kim Kardashian West (@kimkardashian) on

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"Kendall & I had some fun last night, see it all on the snap!" she captioned the cute video.

Talk about twinning!