9:11 pm, October 29th, 2013
VIDEOKendall and Kylie Jenner reached new heights on Tuesday.
The sisters were shot hundreds of feet into the sky on a sling shot ride at Magic Mountain — and mom Kris Jenner caught it all on camera, natch.
Brody Jenner filmed from his perspective, too, and dad Bruce could be heard egging on his girls in the background.
The family rented out the entire amusement park as a birthday present to Kendall, who turns 18 on Sunday.
Check out the videos below!
Follow @GossipCop on Twitter!
Like us on Facebook!
WATCH: