The Jenner sisters are twinning again!

Kylie Jenner took to Instagram and shared a photo of herself in the same black swimsuit Kendall Jenner wore for Allure magazine's March photo shoot.

View this post on Instagram

🐬🐳💦💙💎

A post shared by Kylie (@kyliejenner) on

It seems like little sis Kylie admired her 21-year-old's sister look so much that she had to channel it during swimsuit season! She captioned the pic with various blue emojis, to show she's cooling off and (to go with her hair, obviously).

From matching dresses to snapbacks, here are eight times the duo were one and the same!