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We're shocked she managed to keep her girls from popping out!

Kim Kardashian spent yesterday afternoon bouncing around on a trampoline with Kourtney in matching white bikinis, and her boobs miraculously managed to stay in her top. Now that's impressive!

She uploaded a clip of the fun to Instagram, and she chose an interesting song to accompany it. Playing in the background was Tyga's new jam "Taste," and we wonder if Kylie was cool with this? After all, the K clan must know that we dissect every single thing they do! Does this mean the family is cool with T-Raww again?

Kimmy K and Kourt had been feuding over the premiere episode of Keeping Up with the Kardashians on Twitter, but they're proof that blood is thicker than water, because after Younes Bendjima was caught cheating, KKW ran to her sister's side to support her.

We know a LOT of dudes that would love to be in on this trampoline sesh!