Posted on Sun Jun 26th, 2011 2:15pm PDT
Kourtney Kardashian took younger sister Kendall Jenner along for the ride when she and Mason made a Starbucks run Saturday in Calabasas.
See what those long-legged Jenner genes will do to a person -- 15-year-old Kendall is a foot and a half taller than her older sis!
SEE THE GALLERY Kourtney Kardashian Is (Wo)man In The Middle
Stories from around the Web