It was only possibly to tell the pair apart from a distance because pregnant Kourtney, 32 , had ditched the family's trademark vertiginous pumps in favour of platform boots.
Kim, 31 , did not, and on closer inspection was wearing a boucle jacket that was smarter than her sister's sweater, but the duo still complemented each other perfectly.
Dynamic duo: Talented Kim and Kourtney Kardashian were spotted enjoying the sunshine in Beverly Hills today
Kim looked elegant in the ensemble of jeans and Chanel-style jacket, topping off the look with some stylishly large sunglasses.
Once again though, she was outshone by her more casual elder sister, who wore an effortlessly pretty black and white hooped top to cover her burgeoning bump, grey jeans and platform boots.
It's match day: Kreative Kourtney wrapped her friend's birthday present to compliment her top
Who needs a GPS? The college graduate showed her intelligence by finding her own way to the location
Kourtney, who is the only one of the sisters with a university degree, attended with a gift specially wrapped to match her top.
The self-styled entrepreneur, who is pregnant with her second child, also kept her bump hidden throughout her stroll.
She initially hid it behind her handbag, before cleverly keeping it under wraps behind her present.
Keeping it under wraps: The clever reality personality hid her baby bump behind her present