The pair indulged in what is perhaps the Kardashian/Jenner clan's favourite pastime - shopping.
They bought a bundle of clothes at the expensive boutiques that populate the retail areas of the celebrity enclave.
Like typical teenagers, it seems they did not want to walk together as they explored the area.Elder sister Kendall, 16, insisted on walking in front, while 14-year-old Kylie brought up the rear.
Action! Kendall and Kylie Jenner were being followed by the ubiquitous reality TV video cameras in Malibu today
Solo performers: The sisters clearly decided walking alone would not force them to share the limelight
Kendall mint? Whether the budding reality personality likes her namesake flavour remains a mystery
Kendall was spotted munching away on a tub of the tasty treat, while her sister did the same as she was given a lift by her sibling.
However not everyone in the family was in such a good mood.
Their father Bruce, 62, looked distinctly down in the dumps as he went for a walk in affluent Calabasas, California.
But perhaps he was just worrying about the what his credit card bill is going to look like following his daughter's spending spree.
Driving her wild: Kylie appeared to be enjoying her frozen yoghurt as her sister prepared to speed off
In the dumps: No doubt Bruce Jenner was depressed he was having to fork out for another of his daughters' spending sprees