Check out this clip where Khloe and Kourtney attempt to prank Kendall!
With the help of Twitter, Khloe and Kourt turn into little pranksters--but can they pull it off?! See it on "Keeping Up With the Kardashians." SUBSCRIBE: http://bit.ly/Eentsub About Keeping Up With the Kardashians: Things change, but this famous family stays the same. Can you keep up with the drama?