The reality star spent time with her 5-year-old nephew over the weekend in the days following her sister Kourtney's split from Scott Disick
Credit: Courtesy Kim Kardashian

Auntie Kim has her nephew perfecting his selfie game early.

Kim Kardashian West, 34, spent a chunk of her Sunday making funny faces with her sister Kourtney’s son Mason Disick, sharing a series of selfies on her Instagram starring the 5-year-old.

In each snapshot, the duo are puckering up, sticking their tongues out or giving off their best sultry Kim K. stare. (And the shots are appropriately topped with matching emoji.)

The reality star, who is pregnant with her second child with husband Kanye West, has been sharing lots of pictures of Kourtney’s little ones days after her older sister split from the father of her three children, Scott Disick. Kardashian West also gave a sweet shout-out to Penelope, who just turned 3 on July 8, with a series of pictures.

Kourtney, 36, who is also mom to 6-month-old Reign Aston with Disick, “is focused on her kids” in the wake of her breakup, a source told PEOPLE, and is making the three the “top priority.”

“Kourtney will do whatever it takes to protect the kids,” the source explained. “Her whole family is supporting and helping her.”

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