In the video, Kylie grinds up on Kendall who was clearly just as shocked as the rest of us were:
Later, in one of Tyga's Snapchats, Kendall loosened up a little bit - literally! - and showed off this impressive half-split move that made us pull a muscle just watching it:
Of course, Kendall knew she was being filmed, but when Kylie tried to sneak a Snap of Tyga, he was not thrilled and adorably teased Kylie about how she would react if he tried to Snap her on the sly:
Then, Kendall grabbed the camera and took this cute pic of Kylie and Tyga. The "ew" thing seemed to be a theme throughout the night, as Ky's friends can be heard saying it in the background of the videos. In this one, posted on Kylie's friend Sham's Snap, he says "ew! I hate her...I hate them!" in the background as if he's mocking a hater.
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Gallery | Kylie Jenner and Tyga's Cutest Moments