'Thrilled to party!' North West sports a sweet expression while posing next to her cousin Penelope Disick after holding hands post lunch
They had a joint mermaid themed birthday party last summer.
And on Sunday, cousins North West and Penelope Disick posed for a snap while enjoying a play date together.
North, who is the eldest child of Kim Kardashian and Kanye West, rocked a sweet expression while seated besides Penelope - Kourtney Kardashian and Scott Disick's daughter.
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So cute: on Sunday, the inseparable cousins North West and Penelope Disick posed for a snap while enjoying a play date together
Kim shared the photo to her Snapchat on Sunday afternoon, captioning it: 'Thrilled to party!!'
The snap comes after Kim and Kanye took North and their second child, one-year-old Saint, to a sushi lunch in Calabasas with Kourtney and Penelope.
After lunch, North and Penelope were snapped holding hands while leaving the restaurant with their family.
North sported a set from her dad Kanye West's Adidas Calabasas label.
Inseparable: Penelope and North held hands as they left lunch earlier in the day with Kim Kardashian, Kanye West and Kourtney Kardashian
Holding on tight: North sported a set from her dad Kanye West's Adidas Calabasas label; pictured with her cousin Penelope
The toddler wore a ribbed khaki and black top with matching leggings; her hair was in two buns.
Her cousin, Penelope, sat besides her on the counter.
The four-year-old had her face turned away from the camera with her blonde locks shielding most of her face.
Penelope wore black leggings with a plaid top for their outing.
Hours earlier, North and Kim had fun playing around with Snapchat filters together.
Family always comes first: The snap comes after Kim and Kanye took North and their second child, Saint, to a sushi lunch in Calabasas with Kourtney and Penelope
Mother daughter bonding session: Hours earlier, North and Kim had fun playing around with Snapchat filters together
In on snap, the dark haired mother-daughter duo used the flower filter, which digitally adds a crown onto their heads.
North cuddled next to her mother Kim while wearing a colorful Hello Kitty look.
They also enjoyed the bunny filter, which adds long ears and a nose, as well as one where they pretended to swim underwater.
Kourtney shared a clip to her Snapchat on Sunday afternoon of the Kardashian family friend - Moises Arias - taking pictures of North and Penelope.
Kourtney wore a hat from Moises' lifestyle brand - MSFTSrep - for the family sushi outing earlier in the day.
Moises founded MSFTSrep with his brother Mateo and also Jaden Smith.
Good genes: North cuddled next to her mother Kim while wearing a colorful Hello Kitty look
Cuddle session: They also enjoyed the bunny filter, which adds long ears and a nose, as well as one where they pretended to swim underwater
Mini photoshoot: Kourtney shared a clip to her Snapchat on Sunday afternoon of the Kardashian family friend - Moises Arias - taking pictures of North and Penelope
Last June, North and Penelope had a joint mermaid themed birthday party.
The two kids, who have birthdays three weeks apart, dressed up as mermaids for their party.
They shared a hug while posing with their Aunt Khloe Kardashian during their birthday bash; they were snapped next to Penelope's older brother Mason Disick, seven.
Great memories: Last June, North and Penelope had a joint mermaid themed birthday party; (from l to r) Mason Disick, seven, and Khloe Kardashian holding North and Penelope
Mom on duty: Kim held North's hand while carrying her one-year-old son Saint during their Sunday lunch outing for sushi in Calabasas; pictured on Sunday
Girls day out: Kourtney arrived to the eatery while holding her daughter Penelope's hand; pictured on Sunday in Calabasas
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