The adventurous sisters hopped on the dirt bikes in their pretty outfits.
Kendall Jenner almost gets upstaged by a cat.
Take a look back at some of your favorite superstars when they were just starting to become household names.
Here's who's celebrating with Kylie and Tyga in Mexico.
Hilary and Haylie Duff's words of wisdom for the Jenner sisters are oh-so sweet.
Hilary and Haylie Duff share words of wisdom for Kendall and Kylie Jenner as they navigate their way through fame.
Joe Jonas' girlfriend threw him a surprise early birthday party that featured lots of the couples famous friends - including his bro, Nick.
Welcome to the broken hearts club!
Kylie Jenner turned 18 on Monday, and wasted no time baring her body in a new photoshoot.
Is this Kourtney's revenge body?!
We're taking you inside Kylie Jenner's 18th birthday party - get the lavish details and see the pics!
Model Gigi Hadid's latest gig has us seeing more of her than before in a topless shoot for the most recent issue of 'Vanity Fair.'
Caitlyn and Kris even hugged it out after dinner -- see the pic!
The 22-year-old singer and 19-year-old model were reportedly set up by his brother, Joe Jonas, and girlfriend Gigi Hadid.
