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Kendall Jenner Shows Off Some Serious Booty While Zip-Lining In Thailand

Kevin Blair Kevin Blair
April 4th, 2014 10:45pm EDT

Kendall Jenner showed off her curvaceous backside on Thursday when she posted a video-selfie on Instagram (watch it above). The aspiring model gave big sis Kim Kardashian a serious run in the derriere department as she wore yoga pants while harnessed into a zip-line on vacation in Thailand earlier this week.

Kendall screams and giggles while someone off camera, presumably sister Kylie, yells, "Your a*s looks good!"

The 18-year-old also posted what we presume is her last selfie while on vacation, a shot of her backside walking down the beach.

Kendall was joined by sisters Kylie, Kim and Khloe on the zip line excursion. The family was spotted at Los Angeles International Airport (LAX) on Wednesday as they returned from their trip.

Kendall Jenner

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Photo Credits: Instagram