North wore a pair of bright pink pants with a purple sequin shirt and pushed her hair back with a pink cat ears headband.
Penelope looked adorable in a trendy grey graphic t-shirt with a pair of turquoise shorts and colorful slides.
Saint teasingly ran away from their bodyguard in a black t-shirt that had "West" written in white on the back.
The three-year-old also wore a pair of black shorts and navy blue slides.
Just a day before, Kim, 38, shared an adorable photo of her and North pinky swearing on Instagram. She declared that she and her older daughter are "besties for life."
What do you think of Kim and Kanye's kids playing with the their bodyguard and nanny? Let us know in the comments below!